Begin by preheating your oven to 350 degrees. These donuts are baked, so be sure to spray a donut pan with cooking spray, then set aside.

In a bowl, sift together flour, baking powder, baking soda, salt and ground cinnamon.

In another bowl, whisk together egg and brown sugar. Once those two ingredients are well-combined, add milk and Greek yogurt, followed by the melted butter.

Once all wet ingredients are mixed together, add blue gel food coloring and stir until completely tinted.

Next, slowly add dry ingredients into wet ingredients and fold until well combined. The batter will be thick.

Insert batter into a piping bag, and pipe into each section of your donut tin.

Bake for 8 to 10 minutes or until a toothpick comes out clean when inserted in the center.

Allow to cool for 5 minutes and remove from pan. Place on a wire rack and allow to cool down completely before decorating.

Once the donuts are cooled, prepare your buttercream. Use an electric mixer to beat together softened butter, powdered sugar, cocoa powder and milk. If your buttercream is too runny, add more powdered sugar, one tablespoon at a time. If it’s too thick, add more milk one tablespoon at a time.

Your buttercream is ready once it forms semi-stiff peaks.

Scoop the buttercream into a piping bag with Wilton tip #233 frost each donut.

Next, add your googly candy eyes at the top of each frosted donut, and a cookie at the bottom.

Serve and enjoy!