Heat oven to 350°F.
Place cereal in a resealable food-storage plastic bag; seal bag and crush with a rolling pin or meat mallet (or crush in food processor).
In medium bowl, mix cereal and buttermilk; let stand 5 minutes. Stir in applesauce and egg substitute. Stir in remaining ingredients. Fill each muffin cup about ½ full.
Bake 15 to 20 minutes or until toothpick inserted in center comes out clean. Immediately remove from pan. Cool on wire rack.