Lemon Gingerbread Cake

2 tablespoons sugar
2 tablespoons margarine softened
2 teaspoons grated lemon rind
1 egg white
1/2 cup nonfat buttermilk
1/2 cup molasses
1 cup all-purpose flour
1/2 cup whole-wheat flour
1/2 teaspoon baking soda
1/4 teaspoon salt
1/4 teaspoon ground ginger
1/4 teaspoon ground cinnamon
Vegetable cooking spray
2 teaspoons powdered sugar

Cream sugar and margarine at medium speed of an electric mixer until light and fluffy (about 5 minutes).

Add lemon rind and egg white; beat at medium speed until well blended.

Combine buttermilk and molasses; set aside.

Combine all-purpose flour, whole-wheat flour, baking soda, salt, ginger, and cinnamon. With mixer running at low speed, add flour mixture to creamed mixture alternately with buttermilk mixture, beginning and ending with flour mixture.

Pour batter into an 8-inch square baking pan coated with cooking spray.

Bake at 350ºF for 25 minutes or until a wooden pick inserted in center comes out clean. Yield: 9 servings Notes: Cool completely in pan on a wire rack; sprinkle with powdered sugar.