5.Bake in the oven for 10 – 20 minutes. After 10 minutes, check to see if the cupcakes are ready by inserting a cocktail stick into one of the cupcakes. If it comes out dry then the cupcakes are done. If not, pop the cakes back in the oven for a few more minutes. Lift the cupcakes out of the muffin tin and leave to cool on a wire rack.