Baked Rainbow Doughnuts

You all love doughnuts, right? We have a more healthier and delicious recipe for you - Baked rainbow doughnuts! For each step, you have to find out the tools and ingredients, and then follow the instructions to prepare the batter and baking. Then you could decorate your rainbow doughnuts as you wish. They look so colorful and tastes even more better! Let's get started!