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A single banana mug muffin split open and steaming, with a bite lifted on a fork and a banana peel beside the mug
Whole-Food Desserts

Banana Muffin for One

August 17, 2026 Total time: 7 min Makes: 1 muffin

Some days you don't want to make a whole batch of anything, you just want one warm muffin, right now. This is that muffin, one banana and a handful of pantry staples in a mug, ready in under ten minutes start to finish.

It comes out soft and banana-forward, closer to banana bread than a bakery muffin, which is exactly what makes it feel like a real treat instead of a consolation prize for not baking a full batch.

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Banana Muffin for One

One mashed banana and a mug is all it takes for a warm, single-serve muffin in under 10 minutes.

Prep 5 min
Cook 2 min
Total 7 min
Yield 1 muffin

Ingredients

Instructions

  1. Mash the banana well in a large mug or small microwave-safe ramekin.
  2. Whisk in the egg until combined.
  3. Stir in the oat flour, baking powder, cinnamon, salt, vanilla, and honey if using, just until no dry streaks remain.
  4. Microwave on high for 90 seconds to 2 minutes, until the top is set and a toothpick comes out clean. Microwave power varies, check at 90 seconds and add time in 15-second bursts if needed.
  5. Let it cool for 2 to 3 minutes before eating, it's very hot straight out of the microwave.

Nutrition (approximate, per serving)

Calories235
Fat6g
Carbs37g
Fiber5g
Sugar12g (natural, from banana)
Protein10g

Macros are per serving, and here that's the whole muffin. See how these numbers are calculated.

Estimated from the ingredients listed above; actual values will vary with brands and swaps.

Tips & swaps

  • For a baked version instead, pour the batter into a greased ramekin and bake at 350F for 15 to 18 minutes.
  • A very ripe, spotted banana means you probably don't need the honey at all.
  • This rises up while cooking and settles a bit as it cools, that's normal.

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