Secret Ingredient Chocolate Brownies (Light)

• 1/3 cup margarine
• 1 cup semisweet chocolate morsel
• 3/4 cup sugar
• 1 egg, beaten
• 1 teaspoon instant coffee granules
• 1 teaspoon vanilla extract
• 1/2 cup whole wheat flour
• 1/2 cup sweet potato, cooked and mashed
• 2 tablespoons unsweetened cocoa powder
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1/2 cup walnuts, chopped (optional)

1. Preheat oven to 350*F. Line an 8 inch square pan with enough foil to overlap the sides of the pan. Grease lightly and set aside.
2. Heat the margarine and chocolate morsels in a saucepan over medium heat until melted; remove from heat. Add sugar and beat until smooth. Stir in eggs, instant coffee and vanilla. Add the flour, sweet potatoe, cocoa powder, baking powder and salt; stir just until combined. Stir in the walnuts. (if using).
3. Spread the batter evenly into the pan. Bake for 25 minutes or until a toothpick comes out with only a few moist crumbs. Transfer to a cooling rack; let cool completely before slicing.

margarine, semisweet chocolate morsel, sugar, egg, coffee granules, vanilla, whole wheat flour, sweet potato, cocoa, baking powder, salt, walnuts

Taken from www.food.com/recipe/secret-ingredient-chocolate-brownies-light-371710 (may not work)