Homemade Rhubarb Bars recipe

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August 24, 2026

Homemade Rhubarb Bars recipe

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Rhubarb, with its unique tangy flavor, is a beloved ingredient in many spring and summer desserts. Known for its vibrant red stalks and tart taste, rhubarb pairs perfectly with sweet elements to create a balanced and delightful treat. One such delectable dessert is homemade rhubarb bars. These bars are perfect for picnics, family gatherings, or just a sweet snack to enjoy at home. Below, you will find a step-by-step guide to making your own rhubarb bars, ensuring a delicious outcome every time.

Ingredients:

For the crust:

1 cup (2 sticks) unsalted butter, softened
2 cups all-purpose flour
1/2 cup powdered sugar
1/4 teaspoon salt

For the rhubarb filling:

4 cups fresh rhubarb, chopped into small pieces
1 1/2 cups granulated sugar
4 large eggs
1/2 cup all-purpose flour
1 teaspoon vanilla extract
Zest of one lemon (optional, for added brightness)

Instructions:

Preheat and Prepare: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish or line it with parchment paper for easy removal.
Make the Crust: In a large mixing bowl, combine the softened butter, 2 cups of flour, powdered sugar, and salt. Mix until the ingredients come together to form a crumbly dough. Press this dough evenly into the prepared baking dish to form a solid base.
Bake the Crust: Bake the crust in the preheated oven for about 15 minutes, or until it turns a light golden brown. Remove from the oven and let it cool slightly while you prepare the filling.
Prepare the Rhubarb Filling: In a medium mixing bowl, beat the eggs until smooth. Add the granulated sugar, 1/2 cup of flour, and vanilla extract, and mix well until fully combined. Fold in the chopped rhubarb and lemon zest (if using).
Pour and Bake: Pour the rhubarb filling over the slightly cooled crust, spreading it evenly. Bake in the oven for about 40-45 minutes, or until the filling is set and a toothpick inserted into the center comes out clean.
Cool and Serve: Allow the rhubarb bars to cool completely in the baking dish. Once cooled, cut them into squares or bars. For a finishing touch, you can dust them with powdered sugar before serving.

SWEET & TANGY HOMEMADE DESSERT

Easy Rhubarb Bars

Buttery shortbread-style crust topped with a sweet, tangy rhubarb filling. These simple rhubarb bars are perfect for spring and summer baking.

Prep Time 15 mins

Bake Time 55–60 mins

Total Time 1 hr 15 mins

Makes 20–24 Bars

For the Crust

1 cup (2 sticks) unsalted butter, softened
2 cups all-purpose flour
½ cup powdered sugar
¼ teaspoon salt

For the Rhubarb Filling

4 cups fresh rhubarb, chopped into small pieces
1½ cups granulated sugar
4 large eggs
½ cup all-purpose flour
1 teaspoon vanilla extract
Zest of 1 lemon, optional

Instructions

Preheat the Oven. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish or line it with parchment paper for easier removal.
Make the Crust. In a large mixing bowl, combine the softened butter, 2 cups flour, powdered sugar and salt.

Mix until the ingredients come together into a crumbly dough.
Press Into the Pan. Press the crust mixture firmly and evenly into the bottom of the prepared baking dish.
Pre-Bake the Crust. Bake for approximately 15 minutes, or until the edges are just beginning to turn light golden brown.

Remove from the oven and allow the crust to cool slightly while you prepare the filling.
Prepare the Filling. In a medium mixing bowl, beat the eggs until smooth.

Add the granulated sugar, ½ cup flour and vanilla extract. Whisk until thoroughly combined.
Add the Rhubarb. Gently fold the chopped rhubarb into the egg mixture.

Add the lemon zest if using.
Fill the Pan. Pour the rhubarb mixture evenly over the partially baked crust and spread it gently to the edges.
Bake. Return the pan to the oven and bake for approximately 40 to 45 minutes, or until the filling is set and the centre no longer looks wet.
Cool Completely. Remove from the oven and leave the bars to cool completely in the baking dish before slicing.
Slice and Serve. Cut into squares or bars. Dust lightly with powdered sugar before serving if desired.

Rhubarb Tip: Cut the rhubarb into small, evenly sized pieces so it softens evenly while baking. There is no need to peel fresh rhubarb.

Sweetness Tip: Rhubarb is naturally very tart. If your rhubarb is particularly sharp, serve the bars with a light dusting of powdered sugar or a spoonful of whipped cream.

Optional Lemon: A little fresh lemon zest adds brightness without overpowering the rhubarb. Leave it out if you prefer a more traditional flavour.

Storage: Once completely cooled, store the bars in an airtight container in the refrigerator. For the best texture, allow chilled bars to sit at room temperature briefly before serving.

Tips for Perfect Rhubarb Bars:

Choosing Rhubarb: Look for firm, crisp stalks with a bright red color. Avoid any that are limp or blemished.
Balancing the Tartness: Rhubarb is naturally tart, so adjusting the sugar level to your taste is crucial. If you prefer a sweeter bar, you can increase the sugar slightly.
Adding Other Fruits: Rhubarb pairs well with strawberries. You can add a cup of chopped strawberries to the filling for a twist on the classic recipe.
Storage: Store any leftovers in an airtight container in the refrigerator. They will stay fresh for up to 5 days and can be enjoyed chilled or at room temperature.

Conclusion:

Homemade rhubarb bars are a delightful way to enjoy the unique flavor of rhubarb. With their buttery crust and tangy-sweet filling, these bars are sure to become a favorite treat. Whether you’re a seasoned baker or a beginner, this recipe is straightforward and rewarding. Enjoy baking and savoring these delicious rhubarb bars!