On busy mornings, I want breakfast that feels comforting but still fits my healthy routine. This fluffy oat banana cake is naturally sweetened with ripe bananas, made with simple oat flour, and ready fast in the microwave or oven. It works as breakfast, a healthy snack, or even a light dessert.

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Watch the step by step video here:

Ingredients

You only need a few simple ingredients:

  • 2 ripe bananas, peeled

  • 2 eggs

  • 6 tablespoons oat flour

  • Cinnamon, to taste

Two ripe bananas, two eggs, and a bowl of oat flour on a white background, ready for a healthy oat and banana cake recipe.

How to Prepare

  1. Prep the banana: Peel and mash the bananas in a medium bowl until smooth.
  2. Add the eggs: Crack in the eggs and mix well.
  3. Add dry ingredients: Stir in the oat flour and cinnamon until fully combined.
  4. Pour and shape: Pour the batter into a microwave safe dish or an oven safe mold.
  5. Cook: Microwave: 3 to 5 minutes (check doneness with a toothpick). Oven: 180°C (350°F) for 20 to 25 minutes.
  6. Serve: Let cool slightly, then serve with fresh fruit and coffee.
Peeling a ripe banana for homemade oat banana cake recipe
Mashing ripe bananas in a white bowl for oat banana cake batter
Whisking eggs in a bowl for healthy oat banana cake
Combining banana, eggs, and oats to make moist oat banana cake batter
Mixing oats and dry ingredients in a bowl for banana oat cake
Oat banana cake batter in a heart-shaped baking tin before baking

Nutritional Information | Per serving (2 servings)

 

Calories Protein Carbohydrates Fiber Fats Sugar
230 8g 38g 5g 6g 17g

Serving Suggestion

Serve warm with fresh fruit such as mango, persimmon, or berries, plus your favorite coffee or tea.

Heart-shaped banana oat cake served with fresh mango cubes on a gray plate over a yellow background.

Tips & Variations

  • Quick and easy: ready in under 25 minutes in the oven or 5 minutes in the microwave.
  • Healthy and filling: packed with fiber and natural sweetness from banana.
  • Gluten free: made with oat flour.
  • Minimal ingredients: simple pantry staples only.

Why You’ll Love This Cake

These are the simple tools I used to make this cake quickly and keep cleanup minimal:

  • Microwave safe or oven safe cake mold
  • Measuring spoons
  • Mixing bowl
  • Silicone spatula.

Materials I used

  • Microwave-safe or oven-safe cake mold

  • Measuring spoons

  • Mixing bowl

  • Silicone spatula

Mini oat and banana pancakes served in a bowl with fresh blueberries – healthy breakfast recipe for kids and adults

Healthy Food Made Simple

Easy recipes, realistic meal ideas and practical healthy eating tips from By Suzike Bites.

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Want a Full Week of Easy Healthy Meals?

Get my 7 Day Low Carb Reset eBook with meal plans, recipes, and my best tips for staying consistent: 7-Day Low Carb Reset for Busy Women.

Tried This Recipe?

Leave your feedback in the comments below. And if you make it, tell me if you cooked it in the microwave or oven.