For more homemade convenience mixes, see Bulletin #4029, Saving Money With Homemade Convenience Mixes. Serves: 12 | Serving size: 1/2 cup Ingredients 2 cups white flour 2 cups whole wheat flour 3⁄4 cup nonfat dry milk powder (optional) 1⁄2 cup oats 1⁄2 cup cornmeal 3 Tablespoons baking powder 2 Tablespoons sugar 1 teaspoon salt (optional)