Gelatin Sheets, Powder and Bloom Strength
How to replace gold and silver gelatin by sheet or by dry weight, with practical Bloom conversions, hydration and pastry troubleshooting.
Pastry Journal guide
Read product and ingredient behaviour before making substitutions or transferring a formula between suppliers.
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How to replace gold and silver gelatin by sheet or by dry weight, with practical Bloom conversions, hydration and pastry troubleshooting.
How I choose and use dairy cream in pastry: fat percentage, temperature, whipping, emulsions, chocolate mousse, crémeux, substitutions and troubleshooting.
How I specify and use professional fruit purées in pastry: °Brix, pH, titratable acidity, fibre, consistency, freezing, gelation and recipe substitutions.
See the techniques in context
Chocolate Tonka & Passion Fruit Cake — see how these techniques work together in the finished cake.
Cherry Chocolate Cake — see how these techniques work together in the finished cake.
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Choose a group below, then start with the recipe, ingredient or problem closest to your question.
Couverture, cocoa butter, cocoa powder and chocolate selection.
My reduced-sugar vanilla and chocolate sponge development formulas, and the pastry science behind keeping real sponge texture when sucrose is reduced.
How I choose between dark, milk and white chocolate—and why cocoa percentage, couverture, baking chocolate and compound coating are not interchangeable.
Why dark chocolate may contain no milk yet is not automatically safe for every dairy restriction, and how lactose-free, dairy-free, vegan and milk-allergy claims differ.
A peer-reviewed, pastry-focused explanation of cocoa-butter crystal forms, nucleation, crystal growth, gloss, contraction, snap and bloom.
A documented guide to how cocoa mass, cocoa butter, sugar, emulsifiers and product-specific fluidity determine dark couverture performance.
A peer-reviewed guide to cocoa butter as chocolate’s continuous fat phase: triacylglycerols, melting, crystallisation, snap and substitution consequences.
My professional method for adding melted butter, chocolate or another fat phase to egg foam without streaks, separation or unnecessary loss of aeration.
My honest comparison of Valrhona, professional couverture and cheaper chocolate products—flavour, cocoa butter, consistency, technical performance and when the extra cost matters.
Cream, milk, butter, cheese, whites and yolks.
How to replace skim milk with skim milk powder, plus what milk powder changes in bread, cake and pastry.
How I use milk in pastry: composition, fat level, proteins, lactose, browning, custards, dough hydration, substitutions, heat treatment and troubleshooting.
How I assess ordinary milk, lactose-free dairy and other dairy ingredients when baking for lactose intolerance, including lactose per portion, milk allergy, milk powder and substitutions.
I explain how sucrose controls egg foams, tenderness, moisture, browning, caramel, freezing and texture—and why reducing sugar changes the whole formula.
I compare génoise, separated-egg sponge, biscuit, Joconde, dacquoise, chiffon and entremet sponge by aeration, fat, texture and best pastry use.
My professional folding method for combining egg foam, liquids, dry ingredients and fat while preserving aeration in sponge, mousse and other pastry.
How I choose and use butter in pastry: fat and water, temperature, plasticity, emulsions, browning, clarification, lamination and substitutions.
How I use egg whites, yolks and whole eggs for aeration, structure, emulsification, moisture and texture, with weighing and substitution guidance.
How I choose and use almond flour in pastry: grind, fat, moisture, storage, substitutions and its structural role in sponge, financiers and almond cream.
My pastry guide to cream of tartar: what it does in cakes and meringue, how it stabilizes egg whites, how it works with baking soda, and when substitutes are appropriate.
My Swiss meringue recipe with a 2:1 sugar-to-whites ratio, 55°C / 131°F bain-marie method, low-temperature drying, troubleshooting, uses and safety guidance.
My French meringue recipe with a 245 g egg-white house formula, a classical 2:1 sugar structure, gentle icing-sugar incorporation, low-temperature drying and practical troubleshooting.
My method for assessing albumin powder against liquid egg whites in meringue: hydration, foam, water balance and why I do not use a universal conversion.
I explain how mascarpone quality, yolk aeration, sugar dissolution, temperature and restrained mixing create a tiramisu cream that is soft but stable.
I explain how eggs, sugar and liquid oil form the base of an oil cake, why mixing order matters, and how I prevent a greasy, heavy or separated crumb.
I explain how cream-cheese type, temperature, mixing order and sugar affect frosting, and why overmixing or warming can turn it loose.
I explain how cultured buttermilk contributes water, acidity, dairy solids and flavour, and why its interaction with baking soda must be balanced rather than guessed.
I explain how butter temperature, sugar crystals, mixing time and gradual egg addition build useful aeration without producing a greasy or broken cake batter.
My Pavlova recipe uses a classic 2:1 sugar-to-egg-white ratio, a little cornstarch and acid, and a controlled low bake for a crisp shell with a soft marshmallow centre.
My crème brûlée recipe uses cream, egg yolks, vanilla and gentle bain-marie baking for a silky custard finished with a very thin, brittle caramelized sugar crust.
I diagnose pain aux raisins that unravels, leaks cream or butter, loses its spiral, or remains dense, raw or soggy in the centre.
My brioche feuilletée recipe uses rich whole-egg brioche dough with separate tourage butter, three simple turns, cold proofing control, baking and troubleshooting explained.
I diagnose brioche feuilletée with lost lamination, leaking butter, dense centres, greasy crumb, weak proof or poor mould expansion.
My classic French croissant recipe in grams, with lamination, butter plasticity, turns, proofing, baking and troubleshooting explained.
I explain how I mix croissant détrempe for enough strength to hold layers and fermentation gas without making it so elastic that rolling damages the butter.
I explain how I judge lamination butter by flexibility rather than one fixed temperature, and what I do when it cracks, smears or moves differently from the dough.
I explain how I judge croissant proof by volume, movement and visible layers, protect the butter from excessive heat, apply egg wash and bake until the crumb is fully set.
My professional Danish pastry dough recipe in grams, with enriched yeast dough, butter lamination, turns, proofing, baking, fillings and troubleshooting explained.
My classic kouign-amann recipe in grams, with yeasted dough, butter lamination, sugar turns, proofing, caramelization and troubleshooting explained.
My white sandwich bread recipe with milk, cream, egg, butter, overnight cold fermentation, fine crumb, open-top baking and a Pullman pain de mie variation.
My professional challah recipe with eggs, oil, controlled fermentation, even braiding, proofing cues, egg wash and a soft, fine crumb.
My classic crème anglaise recipe: a silky vanilla custard sauce made with milk, yolks and sugar, cooked gently to 82–84°C / 180–183°F and judged by the nappe test.
My professional crème mousseline recipe with pastry cream and butter, including the correct emulsion method, working temperature, troubleshooting, ratios and pastry uses.
A practical guide to panettone mixing problems: dough development, butter and sugar addition, mixer load, fermentation and temperature control.
A practical guide to panna cotta texture: cream and milk balance, gelatin strength, temperature, setting and common mistakes.
My professional puff pastry recipe in grams, with détrempe, butter lock-in, turns, resting, baking, freezing and troubleshooting explained.
My professional brioche recipe in grams, with whole eggs, cold butter incorporation, dough temperature, overnight fermentation, proofing and troubleshooting explained.
My tested Kugelhopf recipe with butter, eggs, raisins and almonds, plus the mixing, proofing and baking controls I use for a light enriched crumb.
My tested Gâteau Basque recipe with butter pastry and vanilla pastry cream, plus the sealing and baking controls I use for an even result.
My tested génoise sponge recipe, with staged whole-egg whipping, careful flour folding and a butter liaison for a fine, light crumb.
My tested Scottish shortbread recipe using the classical 1:2:3 sugar, butter and flour ratio, with the mixing and baking controls I use for a short crumb.
My tested soft amaretti recipe with almond flour, sugar and egg whites, including how I keep the centres tender without confusing them with French macarons.
My tested Christmas Stollen recipe with dried fruit, almonds and a butter-sugar finish, including how I mix and bake this heavily enriched dough.
My tested British scones recipe with cold butter, minimal mixing and a hot bake for a tender cream-tea crumb.
Tanya Novak explains rough puff pastry as a deliberately irregular lamination system: how butter pieces, hydration, folds, resting and baking create crisp layers without classic puff pastry's enclosed butter block.
A professional guide to pâte sablée: how butter, sugar, flour, eggs, mixing method, resting and baking determine friability, crispness and clean tart-shell structure.
My tested Sablé Breton recipe with butter, egg yolks and baking powder, including how I keep the crumb sandy, tender and evenly baked.
My professional pâte à choux recipe for éclairs, profiteroles and Paris-Brest, with panade drying, egg consistency, baking and troubleshooting explained.
My classic Tarte Tatin with firm apples, deep caramel and crisp all-butter puff pastry, with apple choice, inversion and troubleshooting explained.
My classic lemon madeleine recipe with a 12-hour cold rest, tender buttery crumb, defined shell and proper hump, with mould, baking and troubleshooting explained.
I explain how a 12-hour cold rest hydrates flour, firms butter and gives madeleine batter a repeatable starting temperature without overclaiming what resting can fix.
I explain metal versus silicone madeleine moulds, thin butter-and-flour preparation, consistent filling and prompt unmoulding for clear shells and even colour.
I diagnose madeleine failures through batter temperature, leavener, butter incorporation, fill weight, mould preparation, oven heat and baking endpoint.
I explain how I brown butter by sensory cues, stop the cooking, retain the toasted milk solids and weigh the finished beurre noisette correctly for financier formulas.
I explain how unwhipped egg whites hydrate and set financier batter while preserving its fine, moist, compact crumb instead of turning it into a foam cake.
I explain the order, temperature and physical cues I use to incorporate warm clarified or browned butter into egg-white and nut-flour financier batter without greasy separation.
I diagnose financier failures through butter emulsion, nut-flour texture, cavity weight, mould conductivity, oven heat, baking endpoint and cooling.
I compare copper, aluminium and silicone canelé moulds and explain how I apply butter or beeswax without creating pooled, greasy or uneven shells.
A professional guide to pâte brisée: how flour, butter, water, mixing, resting and baking create a tender shortcrust pastry for sweet and savoury tarts.
The essential relationship between dough strength, butter layers, proofing and baking in croissant production.
How panade drying, egg quantity and baking create hollow choux shells.
Purées, pectins, gelatin, gums and hydrocolloids.
My professional method for freezing, thawing and testing fruit inserts for entremets, with practical control of syneresis, pectin, gelatin, Brix and pH.
How to make, weigh and convert gelatin mass: dry gelatin, hydration water, 1:5 and 1/6 notation, sheet gelatin, Bloom strength and pastry troubleshooting.
How I use Pectin NH for fruit gels and frozen inserts: product selection, sugar dispersion, hot hydration, acidity, thermoreversibility and troubleshooting.
A pastry chef’s practical guide to agar agar: how it sets, how it differs from gelatin, how to dissolve it and how to avoid brittle or rubbery gels.
A pastry chef’s guide to fruit gels: how pectin, gelatin and agar differ, how acidity and fruit composition affect texture, and how to choose the right system.
I explain how carrot water, fibre, sugar, particle size and preparation affect cake batter, baking time and the difference between a moist crumb and a gummy centre.
Why bread needs steam early in the bake: surface condensation, delayed crust setting, oven spring, score opening, starch gelatinisation, gloss, browning and why I vent the oven later.
I explain what glucono delta-lactone (GDL) is, how it slowly acidifies food, how it behaves in baking, and where it is useful in pastry, bread and other food systems.
What gellan gum does in gels and fluid gels, and why its behaviour differs from gelatin and pectin.
How fruit acidity, purée solids, gelatin and whipped components interact in a stable fruit mousse.
Structure, hydration, starches, yeast and preferments.
How I convert fresh yeast to dry yeast by product, with worked examples for brioche, active dry versus instant yeast, and enriched-dough checks.
When potato starch helps a cake or filling, how to test a substitution, and why potato flour and corn starch behave differently.
How I assess whether ascorbic acid belongs in a wheat bread dough: flour strength, mixing, tiny flour-based doses and a controlled comparison bake.
I explain how a small amount of cornstarch and vinegar or lemon supports Pavlova’s marshmallow centre without replacing correct foam, geometry and baking.
I diagnose Pavlova through foam quality, sugar dissolution, starch and acid, shape, oven heat, cooling and humidity rather than treating every crack as failure.
I explain how I mix and judge a ripe poolish, recognise a young or collapsed preferment, control yeast and temperature, and calculate it correctly in bread dough.
I explain how I decide whether bread flour can support a chosen hydration, adjust water without chasing a percentage, and read strength, extensibility and stickiness in the dough.
A practical guide to wheat flour strength, alveograph W and P/L, ash content, protein quality, international flour labels and choosing flour for cakes, bread, croissants, brioche and panettone.
My rye-dominant sourdough bread recipe with 66% rye flour, an overnight rye sour, controlled fermentation, steam baking and a moist, clean-slicing crumb.
I explain how rye flour changes water binding, dough handling, fermentation and crumb setting, and why rye-rich bread needs different judgments from wheat dough.
How psyllium husk affects water binding, viscosity, structure and handling in gluten-free baking, and why dosage must be tested within the full formula.
My tested Vanilla Kipferl recipe with a tender nut short dough, precise crescent shaping and a warm vanilla-sugar finish.
I explain how cold resting hydrates flour, releases trapped air and makes canelé batter more predictable without turning rest time into a substitute for correct mixing.
Sweetness, solids, freezing behaviour, browning and texture.
How I compare isomalt and sugar for clear decorations, sweetness and cake structure, with practical limits and labelling considerations.
I explain whether a cake can really be sugar-free, what no added sugar means, whether honey, fructose and glucose still count as sugars, and what happens to cake structure when sucrose is removed.
I explain why maltitol can replace part of sucrose in sponge cake and sweet bread, what it does to structure, blood glucose, calories, browning, fermentation and digestion, and where I would not treat it as a simple 1:1 swap.
How I use glucose syrup in pastry: DE, dry solids, water, sweetness, crystallisation, freezing, substitutions, accurate weighing and troubleshooting.
Why stevia, erythritol, xylitol, allulose and other sweeteners cannot simply replace sucrose in meringue: foam stability, water binding, dissolution, crystallisation, drying and browning explained.
My practical guide to baking with xylitol: how it differs from sugar, what changes in cakes and desserts, substitution, browning, texture and common problems.
A pastry chef’s guide to maltose: how sweet it tastes, how it affects browning and texture, where it is useful, and why maltose syrup is not the same as malt extract.
I explain how sodium bicarbonate reacts with acidic ingredients, why excess soda affects flavour and colour, and why it cannot be exchanged blindly with baking powder.
I explain sugar crystal size, gradual addition, foam stage and mixing cues for glossy meringue without gritty crystals, syrup beads or weeping.
When to use dextrose in pastry, how it changes sweetness, browning and frozen texture, and why it cannot replace sugar or glucose syrup gram for gram.
How I decide when lecithin is useful in pastry, practical supplier starting ranges for bakery, and why the exact product matters.
How I use trehalose to reduce sweetness without removing all sugar solids, with practical manufacturer starting percentages for pastry.
I explain how sorbitol works in cakes, fillings and confectionery, why it helps control moisture, how syrup and powder differ, and why I do not treat it as a simple sugar replacement.
I explain how fructose behaves in baking, how it differs from sucrose and dextrose, and what changes when I use crystalline fructose in cakes, breads and pastry formulas.
A professional approach to smooth crème brûlée: custard temperature, gentle baking and the final caramel crust.