Gluten-Free Cinnamon Sugar Banana Donuts

A cinnamon sugary banana bread in donut form! As these donuts start baking in the oven, the whole kitchen starts smelling like scrumptious banana bread. I couldn’t resist attempting The Semi Sweet Sisters easy recipe. It only took a slight adjustment to make them gluten-free and dairy-free.

Gluten-Free Cinnamon Sugar Banana Donuts

Prep Time 8 mins
Cook Time 12 mins
Total Time 20 mins
Course Breakfast


  • ½ cup sour cream
  • 1 large egg
  • ½ tsp vanilla extract
  • ¼ cup vegetable oil
  • 1 banana peeled, mashed
  • ½ cup sugar
  • 1 ¼ cups gluten-free flour
  • ½ tsp baking soda
  • tsp cinnamon
  • ¼ tsp salt


  • 3 tbsp butter melted, for brushing
  • ½ cup sugar
  • ½ tsp cinnamon


  • Preheat oven to 350 degrees. Grease donut pan with oil or cooking spray.
  • Whisk together the sour cream, egg, vanilla, oil, & sugar in a bowl. Add in mashed banana & whisk again.
  • Add flour, soda, salt, & cinnamon (optional) & stir together until well combined.
  • Fill donut pan with batter & bake for 12-16 minutes or until the top is springy to the touch & the sides are turning golden brown. Remove from oven & let cool in pan for 5-10 minutes then transfer to cooling rack.

For Coating

  • In a small bowl, combine sugar & cinnamon together. Melt butter in another small bowl & brush onto both sides of donuts. Place donut in bowl of cinnamon/sugar mix & flip over to coat both sides.


This recipe has been lightly adapted to be gluten and dairy free from The Semi Sweet Sisters.
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