Homemade Cake Mix
3-1/3 cups shortening
5 tablespoons double-acting baking powder
7-2/3 cups granulated sugar
3 tablespoons salt
11 cups sifted all-purpose flour
Place shortening at room temperature in a large mixing bowl. Cream 1/2 minute with mixer at medium speed. Scrape sides and bottom of bowl. Cream another 1/2 minute at same speed. Add 4 cups sugar, 1 cup at a time. After each addition, cream 1 minute at medium speed. Sift together 3 times, flour, baking powder, salt, and 3-2/3 cups of sugar. Sift last time into a lean mixing bowl. Add 2 cups of sifted ingredients to shortening-sugar. Blend 1/2 minute at medium speed. Turn mixture into dry ingredients. Blend until it looks like cornmeal. Be sure all ingredients are well blended.