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Quick Peanut Butter Banana Mug Cake Recipe with Choc Chips

peanut butter banana mug cake - featured image

A quick and easy single-serving mug cake combining creamy peanut butter, ripe banana, and melty chocolate chips, perfect for busy mornings or a cozy snack.

Ingredients

Scale
  • 1 ripe banana, mashed (about 1/3 cup or 85 grams)
  • 2 tablespoons peanut butter (creamy or chunky)
  • 3 tablespoons all-purpose flour (or almond/oat flour for gluten-free)
  • 1 tablespoon brown sugar (optional)
  • 1/4 teaspoon baking powder
  • 1 large egg, room temperature
  • 2 tablespoons milk (any kind)
  • 2 tablespoons chocolate chips (semisweet or dark)
  • Pinch of salt
  • Optional: dash of vanilla extract

Instructions

  1. Mash the banana in a microwave-safe mug until smooth.
  2. Add peanut butter and stir well to combine with the banana.
  3. Mix in the egg until fully incorporated.
  4. Pour in the milk and stir gently to blend.
  5. Add flour, brown sugar, baking powder, and salt; stir just until combined.
  6. Fold in chocolate chips, reserving a few to sprinkle on top if desired.
  7. Microwave on high for 1 to 1 1/2 minutes, checking at 1 minute and adding 15-second increments if needed.
  8. Let the mug cake cool for about 2 minutes before eating.

Notes

Use ripe bananas for natural sweetness and moisture. Avoid overmixing the batter to keep the cake tender. Start microwaving at 1 minute and add time in small increments to prevent drying out. Rotate the mug halfway if your microwave heats unevenly. Natural peanut butter is recommended for cleaner flavor. You can substitute the egg with a flax egg for a vegan version and swap flour for almond or oat flour for gluten-free.

Nutrition

Keywords: peanut butter, banana, mug cake, chocolate chips, quick dessert, microwave cake, easy recipe, single serving