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Ingredient substitutes

Out of buttermilk at 9 pm? Pick the missing ingredient, enter how much the recipe needs, and get swaps measured for that amount.

Buttermilk Baking Powder Egg Butter Brown Sugar Heavy Cream Sour Cream Cake Flour Self-Rising Flour Yeast Conversion: Fresh, Active Dry & Instant

Missing something else? Ask the substitute helper

Answers come from an AI model and may be imperfect; for allergies, always check labels.

Why substitutes work (or don’t)

Most baking ingredients do a job rather than just add flavour: acids activate baking soda, eggs bind and trap air, fat shortens gluten strands for tenderness. A good substitute performs the same job. That’s why lemon juice in milk replaces buttermilk well — it restores the acid — while swapping oil for butter in shortbread fails: oil can’t hold air when creamed.

Questions cooks ask

What can I use instead of buttermilk?

1 tbsp lemon juice or white vinegar plus milk to make 1 cup, rested 5–10 minutes. Thinned yogurt also works.

What can I use instead of baking powder?

For 1 tsp baking powder use ¼ tsp baking soda plus ½ tsp cream of tartar.

What is the best egg substitute for baking?

For binding, a flax egg (1 tbsp ground flaxseed + 3 tbsp water). For moisture, ¼ cup applesauce or mashed banana. For whipping, 3 tbsp aquafaba.