Adding Sourdough to Any Recipe
Substitution Ratio
Keep in mind that 7 grams of commercial yeast (1 packet) is equivalent to 100 grams (~1/2 cup) of sourdough starter.
Adjusting Yeast-Based Recipes
To substitute discard or active starter in recipes calling for commercial yeast:
- Omit the yeast.
- Subtract 50 grams of flour (a scant 1/2 cup) and 50 grams of liquid (about 3 tablespoons) from the recipe.
- Add 100 grams (about 1/2 cup) of *active* sourdough starter.
Adjusting Non-Yeasted Recipes
In recipes that don't call for yeast, like banana bread or pancakes:
- Subtract 50 grams of flour (a scant 1/2 cup) and 50 grams of liquid (about 3 tablespoons).
- Add 100 grams of starter or discard (about 1/2 cup).
Adjusting Low or No Liquid Recipes
For recipes like chocolate chip cookies that don't contain a lot of liquid:
- Get creative by eliminating water by browning the butter.
- Alternatively, consider using only egg yolks instead of egg whites to reduce the water even further.
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