Mango Oatmeal Crumble Bars
User Reviews
4.6
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Prep Time
10 mins
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Cook Time
50 mins
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Additional Time
1 hr
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Total Time
2 hrs
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Servings
9 servings
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Calories
286 kcal
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Course
Dessert
Mango Oatmeal Crumble Bars
Description
This recipe creates mango crumble bars with a base and topping made from a mixture of melted butter, all-purpose flour, rolled oats, sugars, and salt. The oat mixture is divided, pressed into a pan as a crust, and reserved for the crumble topping. The mango layer combines chopped fresh mango with sugar, lemon juice, and cornstarch to provide sweetness, acidity, and thickening during baking.
The assembled bars have a firm, oat-based crust that provides a rich, slightly sweet foundation. The mango filling becomes thick and tender as it bakes, offering juicy fruitiness tempered by lemon's acidity. The crumb topping adds a dry, crunchy contrast to the smooth filling, creating a balance of textures.
These bars are handheld and convenient for snacking or serving as a casual dessert. Their layered structure means the mango stays moist and flavorful without being runny, and the crumble topping offers pleasant crunch.
For storage, the bars keep well at room temperature for up to a week or refrigerated for about 10 days. They also freeze successfully for up to six months when sealed tightly, making them suitable for make-ahead baking.
Ingredients
Crust and Crumble Topping
- ½ cup butter melted, unsalted
- 1 cup all-purpose flour
- ¾ cup old-fashioned rolled oats don’t use quick cook or instant, they’re finer and behave like flour and will make the mixture too dry
- ½ cup granulated sugar
- ¼ cup light brown sugar packed
- ½ teaspoon salt or to taste
Mango Layer
- 2 cups Mango I used fresh ataúlfo mango; frozen mango may be substituted, thaw fully and drain excess liquid before using, coarsely chopped, fresh, ripe
- ⅓ cup granulated sugar
- 2 tablespoons lemon juice
- 2 teaspoons corn starch
Instructions
- Preheat oven to 350F. Line an 8-inch square pan with aluminum foil and spray with cooking spray; set aside. Lining the pan helps with cleanup and is recommended.
- Crust and Crumble Topping - In a large, microwave-safe bowl melt the butter, about 1 minute on high power.
- Add the flour, oats, sugars, optional salt, and stir to combine. Mixture will be dry and sandy with some larger, well-formed crumble pieces.
- Set 1 heaping cup mixture aside to be sprinkled on later as crumble topping.
- Transfer remaining mixture to prepared pan, and using a spatula or your fingers, hard-pack the mixture to create an even, smooth, flat crust; set aside.
- Mango Layer - In a large mixing bowl (same one used for crust and crumble is okay), add all ingredients and toss to combine. If sugar hasn’t dissolved fully that’s okay because it liquifies while baking.
- Evenly distribute mango mixture over the crust.
- Evenly sprinkle with the reserved heaping 1 cup crumble topping mixture. Before sprinkling, I squeeze the mixture in my palm to encourage bigger crumble pieces to form.
- Bake for about 50 minutes, or until edges are set and center has just set. Crumble topping should appear set and very pale golden and the mango filling mixture may be bubbling along the edges. Bars may take longer than 50 to 55 minutes if the mangos are very juicy. Watch your bars, not the clock, when evaluating doneness.
- Place pan on a wire rack and allow bars to cool for at least 1 hour before slicing and serving. If you try to slice bars before they’ve cooled completely, they’ll be extremely messy and could fall apart. Bars will keep airtight at room temperature for up to 1 week, in the fridge for up to 10 days, or in the freezer for up to 6 months.
- Adapted from Blueberry Oatmeal Crumble Bars and Strawberry Oatmeal Crumble Bars
Notes
- Store bars wrapped tightly at room temperature up to 1 week or refrigerate up to 10 days.
- You can freeze the bars in a sealed container or freezer bag for up to 6 months.
Nutrition Information
Show DetailsNutrition Facts
Serving: 9servings
Amount Per Serving
Calories 286 kcal
% Daily Value*
| Serving | 1serving | |
| Calories | 286kcal | 14% |
| Carbohydrates | 46g | 15% |
| Protein | 3g | 6% |
| Fat | 11g | 17% |
| Saturated Fat | 7g | 35% |
| Polyunsaturated Fat | 1g | 6% |
| Monounsaturated Fat | 3g | 15% |
| Trans Fat | 0.4g | 20% |
| Cholesterol | 27mg | 9% |
| Sodium | 134mg | 6% |
| Potassium | 116mg | 2% |
| Fiber | 2g | 8% |
| Sugar | 30g | 60% |
| Vitamin A | 712IU | 14% |
| Vitamin C | 15mg | 17% |
| Calcium | 18mg | 2% |
| Iron | 1mg | 6% |
* Percent Daily Values are based on a 2,000 calorie diet.
User Reviews
Overall Rating
4.6
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