3/4 cup of oat bran
3/4 cup of whole wheat flour
2/3 cup of sugar
1 1/2 teaspoon of  cinnamon
1 teaspoon of baking powder
1 teaspoon of baking soda
1/8 teaspoon of salt
1/2 cup of apples, skinless, finely chopped
1 cup of  sweet potatoes (yams), cooked and mashed or 1 (15 oz.) can sweet potatoes, drained and mashed
1 large egg
2 large egg whites
3 tablespoons of  vegetable oil
2/3 cup plain yogurt