Thirty Minute Yellow Cake By Anonymous recipe Comments | 1 Favorites | 23 Print This is a good substitute for a boxed yellow cake mix in recipes calling for a yellow cake as a base. Thirty Minute Yellow Cake Ingredients 2 cups self-rising flour1 1/4 cups white sugar1/2 cup shortening1 cup milk2 eggs1 teaspoon vanilla extract Instructions 1 Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9 x 13 inch pan, or two 9 inch round pans. 2 Cream together the shortening and sugar. Beat in the eggs. Add the flour, milk, and vanilla, and beat to a soft smooth batter. 3 Bake 20 to 30 minutes, or until tester inserted in the center of the cake comes out clean.