Secret Ingredient Chocolate Brownies (Light) - cooking recipe

Ingredients

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)

Preparation

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.
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).
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.