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Protein Muffins for Kids: Peanut Butter Banana Protein Muffins - Soft, Satisfying, and Kid-Approved

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Prep Time 10 minutes
Cook Time 18 minutes
Total Time 28 minutes
Servings: 12 servings
Ingredients Method

Ingredients
  

  • 3 medium very ripe bananas (the spottier, the better)
  • 2 large eggs
  • 1/2 cup creamy peanut butter (no-stir style works best)
  • 1/4 cup honey or pure maple syrup
  • 1/3 cup plain Greek yogurt (or unsweetened applesauce)
  • 1 teaspoon vanilla extract
  • 1 cup white whole wheat flour (or half all-purpose, half whole wheat)
  • 1/3 cup vanilla or unflavored whey protein powder (kid-friendly, minimal ingredient list)
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon fine sea salt
  • Optional add-ins: 1/4–1/3 cup mini chocolate chips, chopped peanuts, or 1 tablespoon chia seeds

Method
 

  1. Prep the oven and pan: Preheat to 350°F (175°C). Line a 12-cup muffin tin with paper liners or grease well.
  2. Mash the bananas: In a large bowl, mash bananas until mostly smooth. A few small lumps are fine.
  3. Whisk in wet ingredients: Add eggs, peanut butter, honey or maple syrup, Greek yogurt, and vanilla. Whisk until creamy and well combined.
  4. Mix dry ingredients separately: In a small bowl, stir flour, protein powder, baking powder, baking soda, and salt. This helps avoid clumps.
  5. Combine gently: Add dry ingredients to the wet mixture and fold with a spatula until just combined. Do not overmix.
  6. Add extras: Fold in mini chocolate chips, chopped nuts, or seeds if using. Keep add-ins small for even baking.
  7. Portion the batter: Divide batter evenly among the muffin cups, filling each about 3/4 full.
  8. Bake: Bake for 16–20 minutes, or until the tops are set and a toothpick comes out mostly clean with a few moist crumbs.
  9. Cool: Let muffins rest in the pan for 5 minutes, then transfer to a wire rack to cool completely. This helps them set and stay moist.
  10. Serve: Enjoy warm or at room temperature. Add a thin smear of peanut butter on top for extra protein.