Lemon Cake without milk

1 (8 ounce) container lemon yogurt 1 (16 ounce) container Cool Whip 1 (21 ounce) can lemon pie filling 1 store bought angel food cake 3 slices lemons (rings)[...]

aerosol baker's spray with flour 3 tablespoons reduced fat margarine 3/4 cup egg substitute 3 tablespoons sugar 5 (1 g) packets Splenda sugar substitute 1/4[...]

2 cups self-rising flour 1 1/2 cups white sugar 1/4 cup shortening 1 cup half-and-half 2 eggs 1/2 teaspoon vanilla extract 1 teaspoon lemon extract 1 1/2 cups[...]