1 box Betty Crocker cake mix (any flavor)
1 cup cool water
1 melted and cooled stick of solid Blue Bonnet Margarine
3 whole large eggs
1 large egg white

Preheat oven and prepare pans as to the cake mix box instructions.
Pour the cooled melted margarine and cool water into a mixing bowl. Add the cake mix. Beat on high for 2 minutes while scraping the bottom and sides of the bowl. Let mixture rest and absorb the liquids for one to two minutes.
Add the whole eggs and egg white to the batter. Beat on high for 1 1/2 minutes while scraping the bottom and sides of the bowl.
Pour batter into prepared pans. Bake as directed on cake mix package. Carefully remove from oven and cool completely before frosting the cakes.