Recipes for birthday cakes include Food Network's Birthday Cake with Hot Pink Butter Icing, Better Homes and Gardens' Red Velvet Cake, and Martha Stewart's Yellow Butter Cake with Chocolate Frosting. The red velvet and yellow butter cakes are traditional layer cakes, while the Food Network recipe is a tiered cake.
To make Food Network's cake, start by creaming together 18 tablespoons unsalted butter and 3 cups sugar using an electric mixer. Stir in 6 eggs, two at a time, then add 8 ounces sour cream, 1 1/2 teaspoons vanilla and the zest of a lemon. In a separate bowl, combine 3 cups flour, 1/3 cup cornstarch, 1 teaspoon salt and 1 teaspoon baking soda. Add the dry ingredients to the wet ingredients. Divide the batter into a buttered and floured 9-inch round pan, 6-inch round pan and 3-inch round pan.
With the oven at 350 degrees Fahrenheit, bake the 9-inch layer for 45 minutes, the 6-inch layer for 35 to 40 minutes and the 3-inch layer for 30 minutes. To make the hot pink butter frosting, cream 3/4 pound butter in the electric mixer, then stir in 3 pounds confectioners' sugar, 9 tablespoons milk and 3 teaspoons vanilla. For the pink color, add in 14 drops of a pink food coloring. Once each cake layer is cool, frost the entire cake layer, let each chill in the refrigerator, then stack the cakes on top of one another.