Cups & Temps

Ingredient substitutes

Out of baking powder, buttermilk or eggs? 24 common ingredients and the swaps that work, with exact ratios from university extension services and test kitchens.

The best swap for each, at a glance

IngredientForUse
Baking powder1 tsp baking powder1/4 tsp baking soda + 1/2 tsp cream of tartar (+ 1/4 tsp cornstarch if storing)
Baking soda1 tsp baking soda3 tsp (1 Tbsp) baking powder
Breadcrumbs1 cup dry breadcrumbs3/4 cup cracker crumbs
Brown sugar1 cup packed brown sugar1 cup granulated sugar + 1/4 cup molasses (unsulphured)
Butter1 cup butter1 cup regular (stick) margarine
Buttermilk1 cup buttermilk1 Tbsp lemon juice or white vinegar + milk to make 1 cup; let stand 5-10 minutes
Cake flour1 cup cake flour3/4 cup + 2 Tbsp (105 g) all-purpose flour + 2 Tbsp (14 g) cornstarch, whisked
Cornstarch1 Tbsp cornstarch (thickening)2 Tbsp all-purpose flour
Cream of tartar1/2 tsp cream of tartar1 1/2 tsp lemon juice or white vinegar
Eggs (in baking)1 large egg1/4 cup liquid egg substitute
Granulated sugar1 cup granulated sugar1 cup firmly packed brown sugar
Heavy cream1 cup heavy cream3/4 cup milk + 1/3 cup melted butter
Honey1 cup honey1 1/4 cups sugar + 1/4 cup liquid
Lemon juice1 tsp lemon juice1/2 tsp vinegar
Milk1 cup whole milk1/2 cup evaporated milk + 1/2 cup water
Powdered sugar1 cup powdered sugar1 cup granulated sugar + 1 Tbsp cornstarch, blended in a food processor or blender until powdery
Red wineAny amount red wineSame amount grape juice
Self-rising flour1 cup self-rising flour1 cup minus 2 tsp all-purpose flour + 1 1/2 tsp baking powder + 1/2 tsp salt
Sour cream1 cup sour cream1 cup plain yogurt
Tomato paste1 Tbsp tomato paste3 Tbsp tomato sauce, simmered to thicken
Vanilla extract1 tsp vanilla extract1 tsp vanilla bean paste
Vinegar1 Tbsp vinegar (to sour milk)1 Tbsp lemon juice
White wineAny amount white wineSame amount white grape juice
Yeast (instant, active dry, fresh)1 packet (1/4 oz, about 2 1/4 tsp) active dry yeastSame amount instant yeast