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Healthy Peanut Butter Banana Overnight Oat Cups

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These Healthy Peanut Butter Banana Overnight Oat Cups are a quick, easy, and wholesome breakfast option perfect for meal prep. They combine creamy peanut butter, ripe bananas, and oats baked into delicious, slightly chewy cups.

Ingredients

Scale
  • 2 cups (180g) rolled oats (old-fashioned)
  • 2 medium ripe bananas, mashed
  • 1/2 cup (120g) natural peanut butter (unsweetened, unsalted)
  • 1 cup (240ml) milk of choice (cow’s, almond, oat, or soy milk)
  • 2 tablespoons chia seeds
  • 2 tablespoons honey or maple syrup (optional)
  • 1 teaspoon baking powder
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • Optional add-ins: chopped nuts (walnuts or pecans), dark chocolate chips, shredded coconut

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease your muffin tin or line with silicone liners.
  2. In a small bowl, mash 2 ripe bananas until smooth but still a bit chunky.
  3. In a large bowl, combine 2 cups rolled oats, 2 tablespoons chia seeds, 1 teaspoon baking powder, and 1/4 teaspoon salt. Stir to distribute evenly.
  4. Add the mashed bananas, 1/2 cup natural peanut butter, 1 cup milk, 2 tablespoons honey or maple syrup (if using), and 1 teaspoon vanilla extract to the dry mix.
  5. Mix thoroughly with a spatula or wooden spoon until well combined. Adjust consistency with more milk or oats if needed.
  6. Spoon the mixture evenly into 12 muffin cups, filling each about 3/4 full. Smooth the tops.
  7. Bake for 20-25 minutes, or until tops are golden and a toothpick inserted in the center comes out clean.
  8. Let the oat cups cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
  9. Store in an airtight container in the fridge for up to 5 days or freeze individually for up to 3 months.

Notes

Do not over-mash bananas to keep texture. Use natural peanut butter without added sugar or oils. Baking powder helps the cups rise and avoid heaviness. Grease the pan well or use liners to prevent sticking. Let cups cool fully before removing to prevent crumbling. For no-bake version, refrigerate mixture overnight in molds.

Nutrition

Keywords: healthy breakfast, peanut butter, banana, overnight oats, meal prep, oat cups, easy breakfast, gluten-free, vegan option