Red Velvet Cake
["1 box white cake mix", "1 stick margarine", "2 bottles red food coloring", "1 tsp. soda", "3 eggs", "1 c. buttermilk", "2 Tbsp. cocoa", "1 Tbsp. white vinegar"]
["Mix cake mix, margarine and buttermilk together, then, in separate bowl, mix food coloring and cocoa.", "Fold into cake mixture with spoon.", "Put soda and vinegar in cup; mix, then add to cake mixture with spoon.", "Bake at 350\u00b0 for 35 to 40 minutes.; cut both layers in two, making 4 layers."]
["white cake mix", "margarine", "coloring", "soda", "eggs", "buttermilk", "cocoa", "white vinegar"]