Microwave Peanut Butter and Banana Mug Cake

User Reviews

4.7

116 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    1 min

  • Total Time

    6 mins

  • Servings

    1

  • Calories

    193 kcal

  • Course

    Snacks

  • Cuisine

    American

Microwave Peanut Butter and Banana Mug Cake

This microwave peanut butter and banana mug cake combines mashed banana, peanut butter, and oat flour to create a moist, tender single-serving cake with warm cinnamon flavor. The batter includes egg white and vanilla for structure and aroma, with baking powder and salt to leaven and balance. A short microwave cooking time yields a quick cake ideal for a light snack or breakfast, served warm with sliced bananas for freshness.

Description

The Microwave Peanut Butter and Banana Mug Cake pairs mashed medium banana and creamy peanut butter, mixing these with egg white and vanilla extract for smoothness. Oat flour provides a mild, hearty base and a slightly chewy texture, while cinnamon adds a subtle warmth. Baking powder helps the cake rise, and salt enhances the overall flavor. The quick cooking time ensures the cake remains soft and moist.

This mug cake is served warm and topped with fresh banana slices, which add natural sweetness and contrast the peanut butter’s richness. The recipe is sized for one person, suited for a quick sweet treat or light breakfast option.

The notes highlight that cooking times depend heavily on microwave wattage and mug dimensions, so careful timing is advised to avoid overflow or overcooking. Oat flour is homemade by grinding rolled oats, but white or whole wheat flour are acceptable alternatives. The batter may be mixed ahead of time for convenience.

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Ingredients

Servings
  • 1/2 banana mashed, medium
  • 1 tablespoon peanut butter (or any other nut butter)
  • 1 egg white
  • 1/4 teaspoon vanilla extract
  • 4 ½ tablespoons oat flour 30g / 1oz
  • 1/4 teaspoon cinnamon
  • 1/4 teaspoon baking powder
  • pinch salt

Notes

  • Adjust microwave time carefully as mug size and power vary to prevent overflow or overcooking.
  • Oat flour is made by blending rolled oats; whole wheat or white flour may be substituted.
  • The batter can be prepared the night before for convenience.
Genuine Reviews

User Reviews

Overall Rating

4.7

116 reviews
Excellent

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