Most recipe scalers just multiply. We apply the actual baking science — adjusting leavening, salt, spices, and eggs with precision so your doubled batch doesn't collapse or taste off.
We built the science your grandmother's cookbook didn't explain.
Leavening, salt, spices, and eggs don't scale linearly. Our engine applies the correct chemistry — so your doubled recipe doesn't taste twice as salty.
Paste any recipe in any format. Groq AI extracts and structures every ingredient instantly, even messy hand-written recipes.
Pan size recommendations, bake time adjustments, egg rounding logic, and professional tips from a virtual pastry chef.
Any format, any length. Our AI parses it into structured ingredients.
Enter original and target. Our engine handles the non-linear math.
Adjusted quantities, pan advice, and a chef's tips — ready to cook.
The questions that send bakers to Google — answered with the science behind RecipeScale.
Don't double the baking powder. Leavening has diminishing returns — for a 2× batch, use roughly 1.5× to 1.75× the original amount. Too much causes over-rising then collapse, plus a bitter metallic aftertaste. RecipeScale calculates the exact adjustment automatically.
Salt perception is non-linear. Doubling salt makes food taste more than twice as salty due to how taste receptors respond to concentration. The standard adjustment is roughly 75–80% of the linear amount for a doubled batch. RecipeScale adjusts salt and spice amounts automatically.
For most ingredients — flour, butter, sugar, milk — yes. But leavening agents (baking powder, baking soda), salt, spices, and eggs all need non-linear adjustments. Getting these wrong is why scaled recipes often collapse, taste off, or have the wrong texture.
Eggs are tricky because they're discrete. Halving a 3-egg recipe means 1.5 eggs. RecipeScale provides exact egg rounding logic based on the egg's role in the recipe — binding, structure, or richness — so you always know how many to use.
Baking time depends on batter thickness in the pan, not total volume. If you scale into a larger pan with similar batter depth, time stays roughly the same. RecipeScale recommends the right pan size and flags when bake time needs adjustment.
Start free. Scale up when you need more.
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