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Mango Oatmeal Crumble Bars

Deliciously tender and textured bars featuring a vibrant mango filling and a crumbly oat topping, perfect for a sweet treat.
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Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings: 9 bars
Course: Dessert, Snack
Cuisine: American, Tropical
Calories: 210
Ingredients Method Notes

Ingredients
  

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

Method
 

Preparation
  1. Preheat oven to 350°F. Line an 8-inch square pan with aluminum foil and spray with cooking spray; set aside.
  2. In a large, microwave-safe bowl, melt the butter, about 1 minute on high power.
  3. Add the flour, oats, sugars, and optional salt, and stir to combine. Set 1 heaping cup of the mixture aside for topping.
  4. Press the remaining mixture into the prepared pan to create a smooth, flat crust.
Filling
  1. In a large mixing bowl, combine mango, sugar, lemon juice, and corn starch. Toss to combine and distribute over the crust.
  2. Sprinkle the reserved crumble topping evenly over the mango layer.
Baking
  1. Bake for about 50 minutes, or until edges are set and center has just set.
  2. Allow to cool for at least 1 hour before slicing.
Serving
  1. Slice with a sharp knife for clean edges, wiping the blade between cuts. Serve slightly warm or at room temperature, optionally with vanilla bean ice cream or thick yogurt.

Notes

Use ripe but firm mangoes to hold their shape. Press the crust evenly to avoid thin spots, and adjust cornstarch for excessively juicy mango. Store bars airtight at room temperature for up to a week, in the fridge for up to 10 days, or freeze for up to 6 months.