Make Ahead Tip: Refrigerate the topping in an airtight container for up to 1 week or freeze for up to 6 months.
Note: White whole-wheat flour, made from a special variety of white wheat, is light in color and flavor but has the same nutritional properties as regular whole-wheat flour. It is available at large supermarkets and natural-foods stores and online at bobsredmill.com or kingarthurflour.com. Store it in the freezer.
1/2 starch, 2 other carbohydrate, 3 fat