This easy recipe is made up of three layers of vanilla cake with rainbow sprinkles, vanilla buttercream frosting, and topped with more rainbow sprinkles. It practically screams "Party time!".
You'll need a few ingredients to make this easy recipe. Let's round them up and get started!
Whisk together the flour, baking powder, baking soda, and salt.
Cream together the butter and sugar on medium speed until light in color and fluffy.
Beat the vegetable oil and vanilla extract together. Then add the eggs one at a time, mixing after each addition.
Add the dry ingredients and buttermilk to the batter, then fold in the sprinkles.
Divide the batter between the cake pans and bake for 25-30 minutes. Then allow the cakes to cool completely.
Make the buttercream frosting and spread frosting over the top of the first cake. Repeat with the other 2 cakes.
Frost the outside of the cake with the remaining frosting. Then add sprinkles to the sides and the top edge.
Serve with ice cream and a glass of milk, and enjoy!