Mom'S Red Velvet Cake - cooking recipe

Ingredients

2 1/2 c. self-rising flour
1 1/2 c. sugar
1 tsp. unsweetened cocoa powder
1 tsp. baking soda
1 c. buttermilk
1 1/2 c. vegetable oil
1 (1 oz.) bottle red food coloring
1 tsp. vanilla extract
1 tsp. white vinegar
1 egg

Preparation

Mix all ingredients with an electric mixer.
Spray 3 (9-inch) round cake pans with nonstick coating.
Bake at 350\u00b0 for 20 minutes.
Test for doneness with a toothpick.
Cool layers in pans 10 minutes.