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Blueberry and Strawberry Oatmeal Crumble Bars

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Try these Easy Blueberry and Strawberry Oatmeal Crumble Bars filled with fresh blueberries strawberries and a delicious crumbly topping. A healthy, whole grain breakfast, snack idea or light summer dessert the whole family will fall in love with!

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Closeup of Blueberry and Strawberry Oatmeal Crumble Bars in a square pan with one piece missing and a knife on the pan with a blue and white napkin beside it.

Why you’ll love this recipe for Strawberry and Blueberry Oatmeal Bars

Served with a crumble oat topping, these bars are bursting with strawberries and blueberries. Each bite is filled with fruity flavor and a butter crust. The crust layer is topped with a strawberry and blueberry mixture which is then topped with the crumble topping. Bake the bars for about 40 minutes, let them cool and then enjoy. They are packed with the freshest flavor and are too good to resist!

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Blueberry and Strawberry Oatmeal Crumble Bar on a white plate with a scoop of vanilla ice cream.

Ingredients for Blueberry and Strawberry Oatmeal Crumble Bars

Cutting board with two cups of cut up strawberries and one cup of blueberries on it
  • Quick oats
  • Whole wheat flour
  • Light brown sugar
  • Cinnamon
  • Salt
  • Unsalted butter
  • Strawberries
  • Blueberries
  • Cornstarch
  • Lemon juice 
  • White sugar 
  • Powdered sugar
  • Vanilla extract
  • Milk 

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Close up of Blueberry and Strawberry Oatmeal Crumble Bars in a baking pan

How to make…

  1. Combine the oats, flour, brown sugar, cinnamon, and salt.
  2. Pour in the melted butter and stir until it forms clumps and the dry ingredients are evenly moistened. Set aside 1/2 cup of the crumble mixture, then press the rest into an even layer in the bottom of the prepared pan.
  3. Scatter half of the strawberries and blueberries over the crust.
  4. Sprinkle the cornstarch evenly over the top, then sprinkle on the lemon juice and 1/2 tablespoon of the granulated sugar.
  5. Scatter on the remaining blueberries and strawberries, then the remaining 1/2 tablespoon sugar.
  6. Sprinkle the reserved crumbs evenly over the top. You will have some of the fruit showing through.
  7. Bake the bars for 35 to 40 minutes, until the fruit is bubbly and the crumb topping smells toasty and looks golden.

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Other recipes to try

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Classic Waldorf Salad

This classic Waldorf Salad is full of fresh, crispy, apples, celery, grapes and walnuts with a creamy mayonnaise dressing served over a bed of lettuce. Serve it as a side dish or appetizer at Christmas or Thanksgiving. You can easily add chicken or turkey to make it a complete meal!

Get the recipe → Classic Waldorf Salad

Blueberry and Strawberry Oatmeal Crumble Bars

Blueberry and Strawberry Oatmeal Crumble Bars

Yield: 16 bars
Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes

Try these Easy Blueberry and Strawberry Oatmeal Crumble Bars filled with fresh blueberries strawberries and a delicious crumbly topping. A healthy, whole grain breakfast, snack idea or light summer dessert the whole family will fall in love with!

Ingredients

  • 1 cup quick oats
  • 3/4 cup whole wheat flour
  • 1/3 cup light brown sugar
  • 1 tablespoon cinnamon
  • 1/4 teaspoon salt
  • 6 tablespoons unsalted butter — melted
  • 1 1/2 cups strawberries — diced and divided
  • 1/2 cup blueberries
  • 1 teaspoon cornstarch
  • 1 tablespoon lemon juice 
  • 1 tablespoon granulated sugar — divided

For the glaze

  • 1/2 cup powdered sugar
  •  1/2 teaspoon pure vanilla extract
  • 1 tablespoon milk 

Instructions

  1. Place a rack in the center of your oven and preheat to 375 degrees F.
  2. Line an 8x8-inch baking pan with parchment paper so that the paper overhangs two sides like handles.
  3. In a medium bowl, combine the oats, flour, brown sugar, cinnamon, and salt.
  4. Pour in the melted butter and stir until it forms clumps and the dry ingredients are evenly moistened.
  5. Set aside 1/2 cup of the crumble mixture, then press the rest into an even layer in the bottom of the prepared pan.
  6. Scatter half of the strawberries and blueberries over the crust.
  7. Sprinkle the cornstarch evenly over the top, then sprinkle on the lemon juice and 1/2 tablespoon of the granulated sugar.
  8. Scatter on the remaining blueberries and strawberries, then the remaining 1/2 tablespoon sugar.
  9. Sprinkle the reserved crumbs evenly over the top. You will have some of the fruit showing through.
  10. Bake the bars for 35 to 40 minutes, until the fruit is bubbly and the crumb topping smells toasty and looks golden.
  11. Place the pan on a wire rack to cool completely (you can speed this process along in the refrigerator).
  12. While the bars cool, prepare the glaze: In a medium bowl, briskly whisk together the powdered sugar, vanilla, and milk until smooth. Feel free to add more milk if a thinner consistency is desired. Using the parchment paper, lift the bars from the pan. Drizzle with glaze, slice, and serve.

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Nutrition Information:
Yield: 16 Serving Size: 1
Amount Per Serving: Calories: 114Total Fat: 5gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 12mgSodium: 47mgCarbohydrates: 17gFiber: 2gSugar: 9gProtein: 2g

Did you make this recipe?

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Closeup of Blueberry and Strawberry Oatmeal Crumble Bars in a square pan with one piece missing and a knife on the pan with a blue and white napkin beside it.
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