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Strawberry Rhubarb Bars – Irresistibly Sweet & Tart

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Strawberry Rhubarb Bars are sweet-tart dessert bars made with a buttery shortbread crust, juicy strawberry rhubarb filling, and golden crumb topping. Perfect for spring and summer gatherings.

  • Author: Catherine
  • Prep Time: 20 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 10 minutes
  • Yield: 16 bars 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 1/2 cups all-purpose flour
  • 1 1/2 cups granulated sugar (divided)
  • 1 cup (2 sticks) unsalted butter, cold and cubed
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 cups fresh strawberries, chopped
  • 2 cups fresh rhubarb, diced
  • 1/4 cup cornstarch
  • 1/4 teaspoon salt

Instructions

  1. Preheat oven to 350°F and line a 9×13-inch baking pan with parchment paper.
  2. In a large bowl, mix flour, 1 cup sugar, and salt. Cut in cold butter until mixture resembles coarse crumbs.
  3. Press two-thirds of the crumb mixture firmly into the prepared pan to form the crust.
  4. Bake crust for 15 minutes until lightly golden.
  5. In another bowl, combine strawberries, rhubarb, remaining 1/2 cup sugar, eggs, vanilla extract, and cornstarch. Stir gently until fully mixed.
  6. Pour the fruit filling evenly over the warm crust.
  7. Sprinkle remaining crumb mixture loosely over the filling.
  8. Bake for 40–50 minutes until top is golden brown and center is set.
  9. Cool completely at room temperature, then refrigerate for at least 1 hour before slicing into bars.

Notes

  • Use fresh rhubarb for best texture and flavor.
  • Do not skip pre-baking the crust to prevent sogginess.
  • Chill bars before slicing for clean cuts.
  • If using frozen fruit, add 1–2 extra teaspoons of cornstarch.
  • Store in refrigerator up to 5 days or freeze up to 3 months.

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