Rhubarb Blueberry Oatmeal Bars

User Reviews

5

99 reviews
Excellent
  • Prep Time

    30 mins

  • Cook Time

    45 mins

  • Total Time

    1 hr 15 mins

  • Servings

    24 bars

  • Calories

    203 kcal

  • Course

    Dessert

  • Cuisine

    American, Canadian

Rhubarb Blueberry Oatmeal Bars

These Rhubarb Blueberry Oatmeal Bars layer a fruit filling of fresh blueberries and tart rhubarb slightly thickened with sugar and cornstarch between crumbly oat and brown sugar crusts. The top topping is pressed lightly over the fruit before baking, resulting in bars that are golden and hold their shape. The bars offer a balance of sweet and tangy flavors with a hearty oat texture, suitable for dessert or snacks.

Description

Rhubarb Blueberry Oatmeal Bars combine fresh blueberries and rhubarb, cooked with lemon juice, sugar, and cornstarch until thick and smooth to create a bright fruit layer. The base and crumb topping are made from quick-cooking oats, all-purpose flour, brown sugar, baking soda, salt, and cold butter cut in to resemble coarse crumbs.

Half of the oat mixture is pressed into a prepared baking pan, the thickened fruit filling spread on top, then the remaining oat topping gently pressed over the fruit. Baking at 350°F until golden produces bars with a firm crust and slightly chewy texture around the fruit layer. Cooling completely is essential for clean slicing into 24 squares.

These bars work well for gatherings or as a make-ahead treat, showcasing the bright tartness of rhubarb paired with sweet blueberries in a satisfying oat crumble form.

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Ingredients

Servings
  • 3 cups blueberries fresh
  • 3 cups rhubarb cut into 1-inch pieces
  • lemon juice of one
  • 1 cup sugar
  • 4 tablespoon cornstarch
  • 2.5 cups oats quick-cooking
  • 1 cup all-purpose flour
  • 1 cup brown sugar packed
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • 1 cup butter cut into cubes, cold

Instructions

  1. Put blueberries and rhubarb chunks and lemon juice into a large, stainless steel pot, over medium heat
  2. Cook, stirring occasionally until rhubarb is softened.
  3. In a small bowl, whisk sugar and cornstarch together
  4. Add to fruit mixture, stirring constantly until thickened and smooth.
  5. Remove from heat.
  6. Heat oven to 350°. Prepare a 9 x 13 baking pan by spraying with cooking oil, or, lining with parchment paper.
  7. In a bowl, combine oats, flour, brown sugar, baking soda and salt.
  8. Using a pastry blender to cut butter into flour mixture until it resembles course crumbs
  9. Press half the flour mixture into prepared pan to form crust
  10. Spread blueberry rhubarb mixture over the bottom crust
  11. Spread remaining flour mixture over the fruit layer, pressing lightly
  12. Bake in center of oven until golden, about 45 minutes
  13. Cool completely on a wire rack before slicing into 24 squares

Notes

  • Frozen blueberries can be substituted for fresh if thawed and unsweetened.
  • Allow bars to cool completely before slicing to maintain bar shape.

Nutrition Information

Show Details
Serving 1bar Calories 203kcal (10%) Carbohydrates 31g (10%) Protein 2g (4%) Fat 8g (12%) Saturated Fat 4g (20%) Cholesterol 20mg (7%) Sodium 121mg (5%) Potassium 108mg (2%) Fiber 1g (4%) Sugar 19g (38%) Vitamin A 260IU (5%) Vitamin C 3.1mg (3%) Calcium 29mg (3%) Iron 0.8mg (4%)

Nutrition Facts

Serving: 24bars

Amount Per Serving

Calories 203 kcal

% Daily Value*

Serving 1bar
Calories 203kcal 10%
Carbohydrates 31g 10%
Protein 2g 4%
Fat 8g 12%
Saturated Fat 4g 20%
Cholesterol 20mg 7%
Sodium 121mg 5%
Potassium 108mg 2%
Fiber 1g 4%
Sugar 19g 38%
Vitamin A 260IU 5%
Vitamin C 3.1mg 3%
Calcium 29mg 3%
Iron 0.8mg 4%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

99 reviews
Excellent

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