Low-Fat Pound Cake
["5 Tbsp. reduced fat margarine", "1 1/4 c. sugar", "3 egg whites", "1 1/2 tsp. vanilla extract", "1 2/3 c. unbleached flour", "1/2 c. oat bran", "1/2 tsp. baking soda", "1 c. vanilla or lemon nonfat yogurt"]
["Combine margarine and sugar; beat until smooth.", "Add egg whites and vanilla; beat.", "In separate bowl, combine flour, oat bran and baking soda.", "Add flour mixture and yogurt to margarine mixture.", "Beat just enough to mix well.", "Coat an 8 x 4-inch loaf pan with nonstick cooking spray.", "Bake at 350\u00b0 for 55 minutes. Let sit for 20 minutes.", "Cool on wire rack."]
["margarine", "sugar", "egg whites", "vanilla extract", "flour", "bran", "baking soda", "vanilla"]