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Closeup of sliced oatmeal banana bars on a metal sheet pan.

Peanut Butter Banana Oatmeal Bars

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5 from 1 review

Here’s a healthy and delicious recipe for Peanut Butter Banana Oatmeal Bars. You only need a handful of ingredients for this snack which also makes a great dessert. Gluten-free, dairy-free, and vegetarian.

  • Total Time: 30 minutes
  • Yield: 10 bars 1x


Units Scale
  • Nonstick cooking spray
  • 2 ripe bananas
  • 1 cup old-fashioned rolled oats (use gluten-free oats for gluten-free diets)
  • 1/2 cup natural peanut butter, at room temperature
  • 1 egg, lightly beaten (see notes for a vegan option)
  • 2 tablespoons maple syrup
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon ground cinnamon
  • 1/3 cup chocolate chips (use dairy-free chocolate chips for dairy-free diets)


  1. Preheat your oven to 375°F. Spray an 8-inch by 8-inch baking dish with nonstick cooking spray and set aside.
  2. Place the peeled bananas in a medium mixing bowl. Use the back of a fork to mash them well.
  3. Add the oats, peanut butter, egg, maple syrup, baking soda, and cinnamon. Stir together.
  4. Transfer the mixture into the baking dish and spread it out evenly. Top with the chocolate chips.
  5. Bake for 20-22 minutes, or until the bars have started to turn a golden brown.
  6. Let them cool for a few minutes before serving. 


  1. Store any leftovers in an airtight container in the refrigerator for up to 4 days.
  2. These bars can also be frozen for up to 2 months. Defrost before serving.
  3. You can make this recipe vegan by swapping out the egg with an egg replacer.


  • Serving Size: 1 bar (1/10 of recipe)
  • Calories: 197
  • Sugar: 10.5 g
  • Sodium: 125.8 mg
  • Fat: 9.9 g
  • Saturated Fat: 3.2 g
  • Carbohydrates: 22.3 g
  • Fiber: 2.8 g
  • Protein: 5.4 g
  • Cholesterol: 18.6 mg