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Cooking Substitutions - Ingredient Substitute Lookup

Find common cooking and baking ingredient substitutions instantly. Filter by vegan, gluten-free, dairy-free, or low-sodium. Works offline - no data leaves your browser.

Start typing an ingredient name to see substitutions. Popular searches: buttermilk, egg, flour, butter, sugar, soy sauce.

Cooking ingredient substitutions

Whether you're out of an ingredient, adapting a recipe for dietary needs, or experimenting with flavors, this lookup tool gives you tested alternatives with exact ratios and notes on how the swap will affect flavor and texture.

Diet filters

Use the Vegan, Gluten-Free, Dairy-Free, and Low-Sodium filters to instantly narrow results to substitutions that meet your dietary requirements. Multiple filters can be combined.

How ratios work

A ratio of 1:1 means use the same amount as the original. Other ratios (e.g., ¾ cup per cup for honey replacing sugar) account for differences in sweetness or moisture; read the notes for guidance on adjusting other ingredients.

Offline & private

The entire substitution database is bundled in the page. No network request is made when you search. Your data stays in your browser.

Quick-reference substitutions (top 10)

Missing ingredientBest substitutionRatio
1 large egg3 tbsp aquafaba (chickpea brine)1:1
1 cup buttermilk1 cup milk + 1 tbsp lemon juice or vinegar1:1
1 cup butter1 cup coconut oil (solid)1:1 by volume
1 cup heavy cream1 cup full-fat coconut cream (chilled)1:1
1 cup all-purpose flour1 cup + 2 tbsp cake flour (lighter) or 1 cup almond flour (denser)See notes
1 cup sugar¾ cup honey (reduce other liquid by ¼ cup)¾:1
1 tbsp cornstarch (thickener)2 tbsp all-purpose flour2:1
1 cup sour cream1 cup plain Greek yogurt1:1
1 tsp baking powder¼ tsp baking soda + ½ tsp cream of tartarSee notes
1 oz baking chocolate (unsweetened)3 tbsp cocoa powder + 1 tbsp butterSee notes

When substitutions affect leavening

Baking soda (sodium bicarbonate) needs an acidic ingredient to activate. Baking powder contains both the base (baking soda) and the acid (cream of tartar), so it is self-activating. When substituting:

  • Replacing buttermilk with regular milk: the acid (lactic acid in buttermilk) was activating the baking soda. If you substitute regular milk, add 1 tsp lemon juice or white vinegar per cup of milk to restore acidity, or replace the baking soda with baking powder.
  • Replacing sugar with honey or maple syrup: these are acidic. A recipe using them with baking powder may need a pinch of baking soda (the base) to neutralize the acid and maintain proper leavening balance.
  • Replacing baking powder with baking soda: baking soda is roughly 3× stronger. Use ¼ teaspoon baking soda for every 1 teaspoon baking powder. Also ensure the recipe has an acidic ingredient (buttermilk, yogurt, vinegar, brown sugar) to activate it.