Preheat oven to 350 degrees. Line muffin tin with 20 cupcake liners. In a mixing bowl combine the flour and sugar, add the eggs, pineapple and vanilla extract. Mix until well blended, scoop into liners (approximately 3 tablespoons per liner). Bake cupcakes for 25 minutes or until a cake tester comes out clean. Cool and frost.
Use can also use all purpose flour instead of the self- rising flour.
Use 2 cups of all purpose flour and add 2 teaspoons of baking soda in place of the self-rising flour
Instead of cupcakes this recipe will make one 9 x 13 cake - bake 30 minutes or until a cake tester comes out clean.