Red Velvet Cake
["1/4 lb. butter", "1 1/2 c. sugar", "3 eggs", "2 level Tbsp. cocoa", "2 oz. red food coloring", "1 tsp. vanilla", "1 tsp. salt", "1 c. buttermilk", "2 c. flour", "1 1/2 tsp. baking soda", "1 Tbsp. vinegar"]
["Cream butter, sugar and eggs.", "Add food coloring and cocoa. Mix salt and vanilla with buttermilk; add to creamed mixture alternating with flour.", "Mix soda and vinegar and fold in; do not beat.", "Pour into two greased and floured 9-inch round cake pans. Bake at 350\u00b0 for 30 minutes."]
["butter", "sugar", "eggs", "level", "red food coloring", "vanilla", "salt", "buttermilk", "flour", "baking soda", "vinegar"]