| 1/2 cup shortening 1 1/2 cups white sugar 2 eggs 2 ounces red food coloring 2 1/4 cups all-purpose flour 1/2 teaspoon salt 1 teaspoon vanilla extract 2 tablespoons unsweetened cocoa powder | 1 tablespoon distilled white vinegar 1 cup buttermilk 1 tablespoon baking soda 5 tablespoons all-purpose flour 1 cup milk 1 cup confectioners sugar 1 cup butter, softened 1 teaspoon vanilla extract |