Stop buying these in the store- make them at home instead
Works perfect every time.
SELF-RISING FLOUR:
1 cup flour
1 teaspoon baking powder
1/4 teaspoon salt
CAKE OR PASTRY FLOUR:
1 tablespoon cornstarch
1 cup flour
BREAD FLOUR:
1 cup flour
1 teaspoon vital wheat gluten
OAT FLOUR:
Grind oats into food processor until powdery.
POWDERED SUGAR:
Grind granulated sugar into food processor until powdery.