Peanut Butter and Jelly Oat Crumble Bars Everyone Will Love

There’s something wonderfully nostalgic about peanut butter and jelly. It’s a classic combination that brings back childhood memories, and now you can enjoy those familiar flavors in a delicious homemade dessert. These Peanut Butter and Jelly Oat Crumble Bars feature a buttery oat crust, a generous layer of sweet strawberry jelly, creamy peanut butter, and a golden crumble topping that bakes to perfection.

Whether you’re baking for a family gathering, packing treats for lunchboxes, or simply craving a comforting dessert, these bars are easy to make and even easier to enjoy. Every bite offers the perfect balance of nutty richness, fruity sweetness, and hearty oats.

Why You’ll Love These Peanut Butter and Jelly Oat Crumble Bars

• Classic peanut butter and jelly flavors in dessert form.
• Soft, chewy texture with a crisp oat crumble topping.
• Simple pantry ingredients and easy preparation.
• Perfect for picnics, bake sales, afternoon snacks, or dessert.
• Great for making ahead since the bars slice beautifully after cooling.
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  Peanut Butter and Jelly Oat Crumble Bars

  Course Dessert

  Prep Time 15 minutes

  Cook Time 30 minutes

  Cooling Time 1 hour

  Total Time 1 hour 45 minutes

  Ingredients

  • 1 cup packed brown sugar
  • 1 cup creamy peanut butter
  • ½ cup salted butter softened
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1⅓ cups rolled oats
  • 1 cup oat flour
  • ½ teaspoon baking powder
  • ¼ teaspoon salt
  • ¾ cup strawberry jelly
  • ½ cup peanut butter chips

  Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9x9-inch baking pan with parchment paper, allowing a little overhang for easy removal after baking.
  2. In a large mixing bowl, beat together the brown sugar, creamy peanut butter, and softened butter until smooth and creamy. Add the egg and vanilla extract, then mix until everything is fully incorporated.
  3. In a separate bowl, combine the rolled oats, oat flour, baking powder, and salt. Gradually add the dry ingredients to the peanut butter mixture, stirring just until a soft dough forms.
  4. Press about two-thirds of the dough evenly into the prepared baking pan to create the crust. Spoon the strawberry jelly over the surface and gently spread it into an even layer. Sprinkle the peanut butter chips across the jelly, then crumble the remaining dough over the top in small pieces.
  5. Place the pan in the preheated oven and bake for 30 to 35 minutes, or until the crumble topping is lightly golden and the edges are set.
  6. Allow the bars to cool completely in the pan on a wire rack for at least 1 hour. Once cooled, lift them out using the parchment paper and slice into squares or rectangles.
  
  

  Tips for the Best Oat Crumble Bars

  • Let the bars cool completely before cutting to achieve clean, neat slices.
  • Use smooth, creamy peanut butter for the best texture and even mixing.
  • Avoid overmixing the dough to keep the crumble topping tender.
  • Slightly warming the jelly makes it easier to spread without disturbing the crust.
  • Store leftovers in an airtight container to maintain freshness.

  Easy Variations

  • Swap strawberry jelly for raspberry, grape, blackberry, or mixed berry preserves.
  • Add chopped roasted peanuts for extra crunch.
  • Stir mini chocolate chips into the crumble for a chocolate-peanut butter twist.
  • Sprinkle cinnamon into the oat mixture for a subtle warm flavor.
  • Drizzle melted peanut butter over the cooled bars for an extra indulgent finish.

  Storage Instructions

  Store the bars in an airtight container at room temperature for up to 3 days, or refrigerate them for up to 1 week. For longer storage, wrap individual bars tightly and freeze for up to 2 months. Thaw at room temperature before serving.

  Serving Suggestions

  These bars are delicious served on their own, but they’re also wonderful alongside a glass of cold milk, a hot cup of coffee, or your favorite tea. They’re equally perfect for school lunches, weekend brunches, holiday dessert trays, or afternoon snacks.

  Final Thoughts

  These Peanut Butter and Jelly Oat Crumble Bars are a delightful twist on the timeless peanut butter and jelly sandwich, transforming familiar flavors into a satisfying homemade dessert. With their chewy oat crust, fruity strawberry filling, creamy peanut butter, and buttery crumble topping, every bite is packed with comforting flavor. Easy to prepare and ideal for sharing, this recipe is sure to become a favorite whenever you’re craving a sweet treat with a touch of nostalgia.