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A close up of golden strawberry rhubarb bars with a crumbly oat topping in a baking pan.

Strawberry Rhubarb Bars

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Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings 16 servings
Calories 280 kcal

Ingredients
  

  • 1.5 cups all -purpose flour
  • 1.5 cups rolled oats
  • 1 cup light brown sugar, packed
  • 0.5 teaspoon sal t
  • 0.5 teaspoon baking soda
  • 1 cup unsalted butter, cold and cubed
  • 2 cups fresh rhubarb, chopped into 1/2-inch pieces
  • 2 cups fresh strawberries, hulled and sliced
  • 0.75 cup granulated sugar
  • 2 tablespoons cornstarc h
  • 1 tablespoon fresh lemon juice

Instructions
 

  • Preheat oven to 350°F (175°C) and grease a 9x9 inch baking pan or line with parchment paper.
  • In a large bowl, whisk together the flour, oats, brown sugar, salt, and baking soda.
  • Add the cubed cold butter to the dry ingredients and use a pastry cutter or fork to integrate until the mixture resembles coarse crumbs.
  • Press approximately two-thirds of the oat mixture firmly into the bottom of the prepared baking pan to create the base layer.
  • In a medium bowl, combine the rhubarb, strawberries, granulated sugar, cornstarch, and lemon juice, tossing well to coat the fruit.
  • Spread the fruit mixture evenly over the prepared crust.
  • Sprinkle the remaining one-third of the oat mixture evenly over the fruit layer.
  • Bake for 45 to 50 minutes, or until the topping is golden brown and the fruit filling is bubbling.
  • Remove from oven and allow the bars to cool completely in the pan on a wire rack before slicing into squares.