Three-Ounce Cake Mix ‘Upsizer’
Adapted from the Better Homes & Gardens New Cook Book. For white and yellow cake recipes.

Ingredients

1 1/2 cups all-purpose flour
1 cup sugar
2 teaspoons baking powder
1/4 teaspoon baking soda

Instructions

Whisk all dry ingredients together and store in a clean mason jar. When you wish to increase a 15.25 ounce cake mix to 18.25 ounces, add three ounces of this mix (6 tablespoons) to your existing cake mix.