On busy mornings, I want breakfast that feels comforting but still fits my healthy routine. This fluffy banana oat 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.
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

How to Prepare
- Prep the banana: Peel and mash the bananas in a medium bowl until smooth.
- Add the eggs: Crack in the eggs and mix well.
- Add dry ingredients: Stir in the oat flour and cinnamon until fully combined.
- Pour and shape: Pour the batter into a microwave safe dish or an oven safe mold.
- Cook: Microwave: 3 to 5 minutes (check doneness with a toothpick). Oven: 180°C (350°F) for 20 to 25 minutes.
- Serve: Let cool slightly, then serve with fresh fruit and coffee.
Prep the banana: Peel and mash the bananas in a medium bowl until smooth.


Add the eggs: Crack in the eggs and mix well.

Add dry ingredients: Stir in the oat flour and cinnamon until fully combined.


Pour and shape: Pour the batter into a microwave safe dish or an oven safe mold.
Cook: Microwave: 3 to 5 minutes (check doneness with a toothpick). Oven: 180°C (350°F) for 20 to 25 minutes.

Serve: Let cool slightly, then serve with fresh fruit and coffee.

Nutritional Information
Nutritional information is an estimate and may vary depending on the exact ingredients you use.
Per serving (2 servings)
- Calories: 230
- Protein: 8g
- Carbohydrates: 38g
- Fiber: 5g
- Fats: 6g
- Sugar: 17g
Serving Suggestion
Serve warm with fresh fruit such as mango, persimmon, or berries, plus your favorite coffee or tea.
Tips and Variations
- Make ahead: store in an airtight container in the fridge for up to 2 days
- Extra flavor: add vanilla extract or nut butter to the batter
- Vegan version: replace eggs with flax eggs (1 tbsp ground flax + 3 tbsp water per egg)
- Toppings: try with yogurt, honey, or nut butter on top
Why You’ll Love This Cake
- 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.
Materials I Used
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.
If you pay attention to what you eat, it’s worth paying attention to what you drink too.
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Hungry for More Real Life Healthy Meals?
If you want more easy, realistic recipes that fit a busy routine, check out my healthy meals content here: By Suzike Bites.
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.