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Mango Oatmeal Crumble Bars Recipe

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4 from 8 reviews

These Mango Oatmeal Crumble Bars are a delightful treat combining a buttery oat crust with a juicy, lemony mango filling topped with a crunchy crumble. Perfectly baked to golden perfection, these bars offer a balance of sweetness and tartness and are ideal for dessert or snack time.

  • Total Time: 1 hour 10 minutes plus 1 hour cooling
  • Yield: 9 servings

Ingredients

Crust and Crumble Topping

  • 1/2 cup unsalted butter (melted)
  • 1 cup all-purpose flour
  • 3/4 cup old-fashioned whole-rolled oats
  • 1/2 cup granulated sugar
  • 1/4 cup light brown sugar (packed)
  • 1/2 teaspoon salt (optional, or to taste)

Mango Filling

  • 2 cups coarsely chopped fresh ripe mango
  • 1/3 cup granulated sugar
  • 2 tablespoons lemon juice
  • 2 teaspoons corn starch

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C). Line an 8-inch square pan with aluminum foil and spray it with cooking spray for easy cleanup and to prevent sticking.
  2. Melt Butter: In a large microwave-safe bowl, melt the butter by microwaving for about 1 minute on high power until fully melted.
  3. Make Crust and Crumble Mixture: Add the all-purpose flour, rolled oats, granulated sugar, brown sugar, and salt to the melted butter. Stir well until combined. The mixture will look dry and sandy, with some larger crumble pieces.
  4. Reserve Crumble Topping: Set aside 1 heaping cup of this mixture to be used later as the crumble topping.
  5. Form Crust: Transfer the remaining crumble mixture to the prepared pan. Using a spatula or your fingers, firmly press the mixture evenly into the pan to create a smooth, compact crust layer. Set aside.
  6. Prepare Mango Filling: In the same large bowl, combine the chopped mango, granulated sugar, lemon juice, and corn starch. Toss gently to combine. The sugar may not fully dissolve but will liquefy during baking.
  7. Assemble Bars: Evenly spread the mango filling over the crust in the pan.
  8. Add Crumble Topping: Take the reserved crumble mixture and squeeze it gently in your hand to encourage bigger pieces, then sprinkle it evenly over the mango layer.
  9. Bake: Place the pan in the oven and bake for about 50 minutes. Look for set edges and a just-set center. The topping should be pale golden, and you might see the mango filling bubbling at the edges. If your mangos are particularly juicy, baking could take up to 55 minutes. Check doneness visually.
  10. Cool and Serve: Remove the bars from the oven and let them cool completely on a wire rack for at least 1 hour before slicing. Cooling ensures the bars hold their shape and are not messy or crumbly when cut. Store the bars airtight at room temperature up to 1 week, refrigerated for up to 10 days, or frozen for up to 6 months.

Notes

  • Using aluminum foil to line the pan makes cleanup easier and helps remove bars from the pan.
  • Do not slice the bars before they are fully cooled to avoid them falling apart.
  • You can adjust the amount of sugar in the mango filling depending on how sweet your mangoes are.
  • Make sure to pack the crust mixture firmly to create a sturdy base for the mango filling.
  • These bars can be stored airtight at room temperature for up to one week or frozen for long-term storage.
  • Recipe adapted from blueberry and strawberry oatmeal crumble bars to highlight fresh mango flavor.
  • Author: Olivia
  • Prep Time: 20 minutes
  • Cook Time: 50 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Find it online: https://iamstarved.com/mango-oatmeal-crumble-bars-recipe/