Ingredient substitutes

Substitution table with ratios and nuances

Substitutes

IngredientSubstituteNuance
Butteroil ×0.8 of volume; or ghee 1:1in baking, oil gives a moister crumb
Egg (1 pc)1/2 banana or 1 tbsp flax meal + 3 tbsp waterflax egg needs 5 min to set
Milkwater + 1 tbsp butter/cup; or plant milk 1:1in sauces — cream + water
Kefir/buttermilkmilk + 1 tbsp lemon juice or vinegar, 5 minacid is needed for the soda reaction
Sour creamGreek yogurt 1:1in hot dishes — add off the heat
Sugarhoney ×0.75 by weight, minus 15% recipe liquidhoney speeds browning — watch it
Wheat flourrice + tapioca 3:1 for gluten-free bakinggluten-free needs a binder (xanthan)
Fresh yeastdry ÷3 (21g fresh = 7g dry)activate dry yeast in warm liquid

Baking substitutions are more critical than stovetop: dough chemistry (gluten, leaveners, fats) breaks on wrong ratios. For allergens, check the substitute too — nut milk isn't safe for everyone.