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+ servings
A stack of three blueberry oatmeal.

Blueberry Oat Bars

These Blueberry Oat Bars are the perfect spring treat. They start with a buttery oat base, are layered with sweet blueberries and fresh lemon juice, then topped with more of that crumbly oat mixture and baked until golden.
5 from 1 vote
Prep Time 10 minutes
Cook Time 25 minutes
Resting Time 2 hours
Total Time 2 hours 35 minutes
Course Dessert
Cuisine American
Servings 16
Calories 182 kcal

Ingredients
  

  • 2 cups blueberries
  • 2 tablespoons sugar
  • 1 tablespoon cornstarch
  • Juice of 1 lemon
  • 1 cup flour
  • 1 cup old fashioned oats
  • ¾ cup brown sugar
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • ¾ cup butter melted

Instructions
 

  • Preheat the oven to 350°F and line a 9-inch square baking dish or cake pan with parchment paper.
  • In a small saucepan, combine the blueberries, sugar, cornstarch, and lemon juice. Stir to combine and heat over medium heat for about 6-8 minutes or until the blueberries are soft and the mixture has started to thicken. Remove from the heat and set aside.2 cups blueberries
  • In a medium sized bowl, combine the flour, oats, brown sugar, baking soda, and salt. Stir well to combine.1 cup flour
    1 cup old fashioned oats, ¾ cup brown sugar, 1 cup flour, ½ teaspoon baking soda, ¼ teaspoon salt
  • Add the butter to the oats mixture and stir to combine.¾ cup butter
    ¾ cup butter
  • Press half of the oats mixture into the bottom of the prepared baking dish.
  • Spread the blueberry mixture over the oat mixture in the pan.
  • Crumble the remaining oat mixture over the top.
  • Bake in the preheated oven for about 30 minutes or until the top is starting to turn golden brown.
  • Remove from the oven and allow the bars to cool completely.
  • Pull the bars out of the pan using the parchment paper and slice into squares.

Video

Nutrition Information

Calories: 182kcal | Carbohydrates: 24g | Protein: 2g | Fat: 9g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.3g | Cholesterol: 23mg | Sodium: 143mg | Potassium: 57mg | Fiber: 1g | Sugar: 13g | Vitamin A: 276IU | Vitamin C: 2mg | Calcium: 16mg | Iron: 1mg

Please note that these nutrition facts are approximations and may not be entirely precise.

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Keyword blueberry crumble bars, blueberry dessert bars, blueberry lemon oat bars, blueberry oat bars, blueberry oatmeal bars, blueberry oatmeal dessert, blueberry snack bars, fruit oat bars, oat crumble bars
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