Low-Cholesterol Pound Cake
["1 c. corn oil margarine, softened", "2 c. sugar", "3/4 c. egg substitute", "3 c. sifted all-purpose flour", "1/2 tsp. baking powder", "1/4 tsp. salt", "1 c. skim milk", "1 tsp. lemon extract", "1 tsp. vanilla extract", "vegetable cooking spray", "1 tsp. sifted powdered sugar", "lemon slices (optional)"]
["Cream margarine in a large bowl; gradually add 2 cups sugar, beating at medium speed of an electric mixer until light and fluffy (about 5 minutes).", "Add egg substitute, 1/4 cup at a time, beating well after each addition."]
["corn oil margarine", "sugar", "egg substitute", "flour", "baking powder", "salt", "milk", "lemon extract", "vanilla extract", "vegetable cooking spray", "powdered sugar", "lemon slices"]