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Rhubarb Shortbread Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 49 reviews
  • Author: admin
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 12 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

These tangy and sweet Rhubarb Shortbread Bars combine a buttery, crumbly shortbread crust with a thickened fresh rhubarb filling. Perfectly balanced with just the right amount of sweetness and a hint of vanilla, these bars are baked to golden perfection and make a delightful dessert or snack.


Ingredients

Scale

Shortbread Crust

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

Rhubarb Filling

  • 1 1/2 cups fresh rhubarb, chopped into small pieces
  • 3/4 cup granulated sugar
  • 1 tbsp cornstarch
  • 1 tsp vanilla extract


Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C) and line an 8×8-inch baking pan with parchment paper to prevent sticking and ensure easy removal.
  2. Make Shortbread Dough: In a large mixing bowl, cream together the softened butter and 1/2 cup granulated sugar until light and fluffy, which should take about 2-3 minutes. This creates a smooth base for the crust.
  3. Add Dry Ingredients: Mix in the all-purpose flour and salt until the dough comes together and becomes crumbly, signaling that your shortbread base is ready to be pressed into the pan.
  4. Form Crust and Bake: Evenly press the shortbread dough into the prepared baking pan to form an even crust layer. Bake it for 12-15 minutes until the edges turn lightly golden, then remove and set aside to cool slightly.
  5. Prepare Rhubarb Filling: While the crust bakes, combine rhubarb, 3/4 cup sugar, cornstarch, and vanilla extract in a small saucepan. Cook over medium heat, stirring occasionally, until the rhubarb softens and the filling thickens, approximately 10 minutes.
  6. Assemble Bars: Once the rhubarb filling has thickened, spread it evenly over the baked shortbread crust ensuring full coverage.
  7. Bake Filled Bars: Return the pan to the oven and bake for an additional 20-25 minutes, or until the rhubarb filling is set and the edges of the shortbread are a rich golden brown color.
  8. Cool the Bars: Remove from oven and allow the bars to cool completely in the pan to let the filling set fully and make slicing easier.
  9. Serve: Cut into squares or bars and enjoy this delicious combination of buttery shortbread and tangy rhubarb filling.

Notes

  • Be sure to soften the butter well before creaming to achieve a smooth, fluffy crust texture.
  • Use fresh rhubarb for the best flavor; frozen rhubarb may release excess moisture affecting texture.
  • Allow the bars to cool completely before cutting to avoid a runny filling.
  • Adjust sugar in the filling to taste if you prefer sweeter or more tart bars.
  • Store leftover bars in an airtight container in the refrigerator for up to 4 days.