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Close-up of a slice from a rhubarb bars recipe with golden crumble topping

Best Rhubarb Bars Recipe with Buttery Crust and Tangy Sweet Filling


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  • Author: Olivia
  • Total Time: 1 hour 55 minutes
  • Yield: 16 Bar

Description

A perfect balance of sweet and tart, these rhubarb bars feature a buttery crust and soft custard-style filling. Ideal for summer desserts and easy to make.


Ingredients

For the Crust

  • 1 cup unsalted butter, softened
  • 1/2 cup cup granulated sugar
  • 2 cups cups all-purpose flour
  • 1/4 teaspoon salt

For the Filling

  • 3 large eggs
  • 1½ cups cups granulated sugar
  • 1/2 cup all-purpose flour
  • 1/2 teaspoon vanilla extract
  • 4 cups chopped fresh rhubarb (½-inch pieces)


Instructions

Step-by-Step Directions

  1. Preheat oven to 350°F (175°C). Line a 9×13-inch pan with parchment or grease well.
  2. In a bowl, cream butter and sugar until fluffy. Mix in flour and salt to form crumbly dough.
  3. Press crust mixture into pan and bake for 15 minutes until lightly golden.
  4. While crust bakes, whisk eggs in a bowl. Add sugar, flour, and vanilla. Mix until smooth.
  5. Fold chopped rhubarb into the egg mixture.
  6. Pour filling over hot crust.
  7. Bake an additional 35–40 minutes or until filling is set and lightly golden.
  8. Cool completely. Chill for 1 hour before cutting for clean slices.

Notes

  • Use fresh rhubarb for best results. Frozen rhubarb should be thawed and well-drained.

  • For a sweeter variation, replace 1 cup rhubarb with strawberries.

  • Add a dusting of powdered sugar before serving.

  • Store in the fridge for up to 5 days or freeze for 3 months.

  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Cuisine: American