2 cups all-purpose flour
2 teaspoons baking powder
1 teaspoon cocoa
3/4 cup vegetable oil
1 1/2 cups granulated sugar
2 eggs
1 (1 ounce) bottle red food color
1 1/3 cups buttermilk
1 teaspoon baking soda
1 teaspoon vinegar
1 teaspoon vanilla extract

Preheat oven to 350 degrees F. Grease and flour a 13 x 9-inch baking pan.

Combine sifted flour, baking powder, salt and cocoa in bowl.

Cream oil and sugar in separate bowl. Add eggs one at a time, beat well after each addition. Add food coloring, mix until well blended.

Combine buttermilk and soda. Mix well. Add to oil-sugar mixture alternately with dry ingredients. Add vinegar and vanilla extract. Mix well and bake 25 to 30 minutes. Frost with Red Velvet Frosting.

Red Velvet Frosting
5 tablespoons flour
1 cup milk
1 cup margarine
1 c sugar
1 teaspoon vanilla extract

Cook flour and milk until thick. Stir constantly. Cool COMPLETELY. Cream margarine and sugar well. Add vanilla extract; beat. Add flour and milk mixture. Beat until right consistency to spread. Will get really fluffy.