Banana Oat Mug CakeĀ 

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Banana Oat Mug CakeĀ 

Flourless, Gluten-Free & Naturally Sweet

This banana oat mug cake is the perfect healthy dessert or quick breakfast for anyone looking to avoid refined sugar, flour, and gluten. Made with simple, wholesome ingredients like bananas, oats, eggs, and milk, this soft and comforting mug cake comes together in minutes. Naturally sweetened by ripe bananas, itā€™s a guilt-free treat that feels indulgent while staying nutritious and filling.

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Ā Ingredients

  • 4 ripe bananas
  • 1 egg
  • 1/3 cup (80 ml) milk
  • 1 cup (100 g) oats

Optional Add-Ins

  • Ā½ teaspoon cinnamon
  • 1 teaspoon vanilla extract
  • Chopped nuts
  • Dark chocolate chips (sugar-free if preferred)
  • Pinch of salt

Ā Instructions

  1. Peel the bananas and place them in a mixing bowl.
  2. Mash thoroughly with a fork until smooth.
  3. Add the egg and milk, then whisk until combined.
  4. Stir in the oats and any optional ingredients like cinnamon or vanilla.
  5. Let the mixture sit for 2ā€“3 minutes so the oats absorb some moisture.
  6. Lightly grease a large microwave-safe mug or small ramekin.
  7. Pour the batter into the mug, filling about Ā¾ full.
  8. Microwave on high for 2ā€“3 minutes depending on your microwave strength.
  9. Check that the centre is set and cooked through.
  10. Allow to cool slightly before enjoying warm.

Oven Method

Bake at 350Ā°F (175Ā°C) for 20ā€“25 minutes in a ramekin or muffin cups.

Ā Description

This banana oat mug cake is soft, moist, naturally sweet, and wonderfully satisfying. The ripe bananas create a creamy texture while oats provide heartiness and fibre. It tastes like banana bread but in a lighter, healthier form that can be made in just minutes.

Ā Recipe Notes

  • Very ripe bananas give the best natural sweetness.
  • Use certified gluten-free oats if needed.
  • The texture becomes softer as the cake cools.
  • Cooking time may vary depending on microwave wattage.

Ā Tips

  • Blend the batter for a smoother cake texture.
  • Add walnuts or almonds for crunch.
  • Sprinkle cinnamon on top before cooking.
  • Serve with yoghurt or nut butter for extra protein.
  • Double the recipe to make multiple servings.

Ā Servings

Makes 2ā€“3 small servings or 1 large mug cake.

Ā Nutritional Information (Per Serving)

  • Calories: 180
  • Protein: 6g
  • Carbohydrates: 32g
  • Fat: 3g
  • Fiber: 4g
  • Potassium: 12% Daily Value

Ā Health Benefits

Bananas are naturally rich in potassium, fibre, and antioxidants that support digestion and heart health. Oats provide slow-releasing energy and are excellent for maintaining fullness and balanced blood sugar levels. This recipe contains no refined sugar or flour, making it a healthier alternative to traditional desserts. Eggs add protein and nutrients, while milk contributes calcium and creaminess.

Ā Frequently Asked Questions

1. Can I make this vegan?

Yes. Replace the egg with a flax egg and use plant-based milk.

2. Can I prepare this ahead of time?

Yes. Store batter in the refrigerator for up to 24 hours before cooking.

3. Can I use quick oats?

Absolutely. Quick oats create a softer texture.

4. Is this recipe kid-friendly?

Yes. Kids love the naturally sweet banana flavour.

5. Can I add cocoa powder?

Yes. Add 1 tablespoon cocoa powder for a chocolate version.

6. How do I store leftovers?

Keep covered in the refrigerator for up to 2 days and reheat before serving.

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