Mango Oatmeal Crumble Bars Recipe

Introduction

Mango Oatmeal Crumble Bars are a delightful treat combining juicy fresh mangoes with a buttery oat crust and crumbly topping. Perfect for a snack or dessert, these bars offer a balance of sweet and tangy flavors with a satisfying texture.

A close-up view of a stack of three square peach crumb bars on a white marbled texture. Each bar has three visible layers: the bottom layer is a golden-brown, crumbly crust; the middle layer contains bright orange peach chunks set in a soft, slightly sticky filling; the top layer is a crumbly, textured topping with a light golden color and rough, uneven crumbs. Small crumbs are scattered around the base of the stack. The photo taken with an iphone --ar 4:5 --v 7

Ingredients

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

Instructions

  1. Step 1: Preheat your oven to 350°F. Line an 8-inch square pan with aluminum foil and spray with cooking spray to prepare for easy cleanup.
  2. Step 2: In a large microwave-safe bowl, melt the butter for about 1 minute on high power.
  3. Step 3: Add the flour, oats, granulated sugar, brown sugar, and salt to the melted butter. Stir until combined; the mixture will be dry, sandy, with some larger crumble pieces.
  4. Step 4: Set aside one heaping cup of this mixture for the crumble topping.
  5. Step 5: Press the remaining mixture firmly into the bottom of the prepared pan, creating an even, smooth crust.
  6. Step 6: In a large bowl, combine the chopped mango, 1/3 cup granulated sugar, lemon juice, and corn starch. Toss gently to combine; some sugar granules may remain but will dissolve during baking.
  7. Step 7: Spread the mango mixture evenly over the crust layer in the pan.
  8. Step 8: Sprinkle the reserved crumble topping evenly over the mango layer. For bigger crumble pieces, squeeze the topping mixture lightly in your palm before sprinkling.
  9. Step 9: Bake for about 50 minutes, or until the edges are set and the topping is pale golden. The mango filling may bubble near the edges. If mangoes are very juicy, baking time may be longer; watch for doneness rather than relying strictly on time.
  10. Step 10: Let the bars cool completely in the pan on a wire rack for at least 1 hour before slicing to avoid messiness and crumbling.

Tips & Variations

  • For a different fruit twist, try substituting mango with blueberries or strawberries using the same method.
  • To enhance flavor, add a pinch of cinnamon or nutmeg to the crumble mixture.
  • Use unsalted butter to control salt levels, adjusting added salt as needed.

Storage

Store the bars in an airtight container at room temperature for up to 1 week. For longer storage, refrigerate up to 10 days or freeze for up to 6 months. Reheat bars gently in a low oven or enjoy chilled.

How to Serve

A close-up view of a stack of three crumbly bars, each with three layers: the bottom layer is a light brown crumbly crust, the middle layer is thick and golden-orange with small chunks of soft fruit, and the top layer is a golden crumbly streusel, uneven and crunchy in texture, with some crumbs falling off. The stack is placed on a white marbled surface. The focus is sharp, showing the granules and textures clearly. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use frozen mango for this recipe?

Frozen mango can be used, but be sure to thaw and drain excess liquid before mixing to prevent soggy bars.

What if I don’t have corn starch?

You can substitute corn starch with an equal amount of arrowroot powder or tapioca starch to help thicken the mango filling.

Print

Mango Oatmeal Crumble Bars Recipe

Delicious and wholesome Mango Oatmeal Crumble Bars featuring a buttery oat crust and topping with a fresh, tangy mango filling. Perfect as a healthy dessert or snack, these bars combine the natural sweetness of ripe mangoes with the hearty texture of oats for a satisfying treat.

  • Author: lina
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: 2 hours including cooling
  • Yield: 9 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale

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 to ensure easy cleanup.
  2. Melt Butter: In a large, microwave-safe bowl, melt the unsalted butter by heating it about 1 minute on high power until fully melted.
  3. Combine Crust Ingredients: Add the all-purpose flour, old-fashioned oats, granulated sugar, light brown sugar, and salt to the melted butter. Stir well until the mixture becomes dry and sandy with some larger crumble pieces.
  4. Reserve Topping: Set aside 1 heaping cup of this oat mixture to use later as the crumble topping.
  5. Form Crust: Press the remaining oat mixture firmly into the bottom of the prepared pan to create an even, smooth crust layer. Use a spatula or your fingers for an even pack.
  6. Prepare Mango Filling: In the same large bowl, combine the chopped mango, granulated sugar, lemon juice, and corn starch. Toss gently to mix; some sugar may remain undissolved, but it will dissolve during baking.
  7. Assemble Bars: Spread the mango filling evenly over the crust in the pan.
  8. Add Crumble Topping: Sprinkle the reserved oat crumble mixture evenly over the mango layer. Squeeze the mixture in your palm slightly to encourage bigger crumble pieces before sprinkling.
  9. Bake: Bake the bars for approximately 50 minutes, or until the edges are set and the center is just set. The topping should turn pale golden and the mango filling may bubble around the edges. Depending on mango juiciness, baking time may extend up to 55 minutes.
  10. Cool: Remove the pan from the oven and place it on a wire rack. Allow bars to cool completely for at least 1 hour before slicing to prevent them from crumbling or falling apart.
  11. Store: Store bars in an airtight container at room temperature for up to 1 week, in the refrigerator for up to 10 days, or freeze for up to 6 months.

Notes

  • Lining the pan with aluminum foil and spraying it helps with cleanup.
  • If mangoes are very juicy, baking time may be longer, so monitor bars visually rather than relying solely on time.
  • Allow bars to cool thoroughly before slicing to avoid messy, crumbly pieces.
  • This recipe is adapted from Blueberry and Strawberry Oatmeal Crumble Bars, substituting the fruit layer with fresh mango.

Keywords: mango bars, oatmeal crumble bars, fruity dessert, baked dessert, healthy snack, homemade bars, mango dessert

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