If you have self-rising flour in your cupboard, congratulations. It’s just all-purpose flour with baking powder and salt already mixed in. You can substitute it directly for recipes that call for flour plus baking powder. The inverse is also true: make your own by adding 1½ teaspoons of baking powder and ½ teaspoon of salt to each cup of AP flour.
This is the kind of knowledge that makes you feel like a chef in a ramen shop who knows every backup ingredient by heart. It’s quiet confidence in a measuring cup.
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