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Easy Strawberry Rhubarb Crumble Bars with Oat Streusel

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These crumble bars feature a tart-sweet strawberry rhubarb filling topped with a rustic oat streusel, perfect for a quick and comforting homemade dessert.

Ingredients

Scale
  • 1 ½ cups all-purpose flour (190 g)
  • 1 cup old-fashioned rolled oats (90 g)
  • ⅔ cup packed brown sugar (135 g)
  • ¾ cup unsalted butter, cold and cut into cubes (170 g)
  • ¼ teaspoon salt
  • ½ teaspoon baking powder
  • 2 cups fresh strawberries, hulled and quartered (about 300 g)
  • 1 ½ cups fresh rhubarb, chopped into ½-inch pieces (about 225 g)
  • ¾ cup granulated sugar (150 g)
  • 1 teaspoon lemon zest
  • 1 teaspoon vanilla extract
  • 2 tablespoons cornstarch

Instructions

  1. Preheat the oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving extra hanging over the edges for easy removal.
  2. In a large bowl, combine flour, rolled oats, brown sugar, salt, and baking powder. Mix evenly.
  3. Cut the cold butter into the dry ingredients using a pastry cutter or two forks until the mixture resembles coarse crumbs with some pea-sized pieces.
  4. Reserve about 1 ½ cups (225 g) of the oat mixture for the topping. Press the remaining mixture firmly and evenly into the bottom of the prepared pan to form the crust.
  5. In a separate bowl, gently toss strawberries and rhubarb with granulated sugar, lemon zest, vanilla extract, and cornstarch until evenly coated.
  6. Spread the filling evenly over the pressed crust.
  7. Sprinkle the reserved oat streusel mixture evenly on top of the fruit layer, breaking up any large clumps with your fingers.
  8. Bake for 45-50 minutes until the topping is golden brown and the fruit filling is bubbly around the edges. Check after 40 minutes to avoid over-browning.
  9. Remove from oven and cool completely on a wire rack for at least 1 hour.
  10. Lift the bars out using the parchment paper edges and cut into 12 bars.

Notes

Keep butter cold for a crumbly texture. Don’t overmix the fruit filling to avoid mushiness. Use fresh lemon zest for brightness. Cover with foil if topping browns too quickly. Cool bars completely before slicing for clean cuts. Gluten-free and dairy-free substitutions available.

Nutrition

Keywords: strawberry rhubarb bars, crumble bars, oat streusel, homemade dessert, easy baking, seasonal dessert, spring dessert, summer dessert

Find it online: https://cooksyla.com/easy-strawberry-rhubarb-crumble-bars-with-oat-streusel-recipe-for-perfect-homemade-dessert/