Red Velvet Cake
["1/2 c. shortening", "1 1/2 c. sugar", "2 eggs, beaten", "1 tsp. salt", "1 c. buttermilk", "2 1/4 c. cake flour, sifted then measured", "2 oz. red food coloring", "2 tsp. cocoa", "1 tsp. vanilla", "1 tsp. soda", "1 Tbsp. vinegar"]
["Cream shortening and sugar. Add eggs, salt, buttermilk and flour. Make paste of red food coloring, cocoa and vanilla; stir into batter. Mix soda and vinegar; stir in batter but do not beat. Pour into 3 greased layer pans. Bake at 350\u00b0 for 35 minutes."]
["shortening", "sugar", "eggs", "salt", "buttermilk", "cake flour", "red food coloring", "cocoa", "vanilla", "soda", "vinegar"]