Homemade Lemon Rhubarb Bars

Biting into a perfectly tangy lemon rhubarb bar evokes the freshness of spring, with each slice bursting with flavor. These Homemade Lemon Rhubarb Bars are not only easy to whip up but also come together in just an hour—making them a delightful treat for any occasion. The bright, zesty filling paired with the crumbly crust creates a harmonious balance that makes these bars irresistible.

This recipe is perfect for anyone looking to impress guests or simply indulge in a sweet treat. Whether it’s for a spring gathering, a summer picnic, or anytime you’re yearning for a fruity dessert, these bars fit the bill. Plus, they can be made ahead of time and stored for a few days, ensuring you can always have a treat on hand.

Why You’ll Love This Recipe

• The buttery crust provides a satisfying crunch that complements the soft filling.
• Rhubarb’s tartness beautifully balances the sweetness of the lemon.
• Easy preparation takes just about an hour.
• Perfectly portioned for sharing or enjoying solo.

What You’ll Need

Gather the following ingredients for a delightful baking experience.

For the Crust

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

For the Filling

• 1 cup rhubarb, diced
• 1/2 cup lemon juice
• 3 large eggs
• 1 cup granulated sugar for filling
• 1/4 cup all-purpose flour for filling
• 1/2 teaspoon baking powder

Use fresh rhubarb for the best flavor.

Substitutions & Swaps

• Substitute lemon juice with lime juice for a different citrus twist.
• Use coconut oil instead of butter for a dairy-free option.
• Try maple syrup instead of granulated sugar for a natural sweetener.
• Use almond flour for a gluten-free crust.

How to Make It

Create these bars in just a few simple steps.

Preheat

1. Preheat the oven to 350°F (175°C).
   Grease a 9×9 inch baking pan.

Mix Crust

2. Combine flour, sugar, butter, vanilla, and salt in a mixing bowl.
   Mix until crumbly. Press the mixture into the bottom of the prepared pan.

Bake Crust

3. Bake for 15 minutes in the preheated oven.
   This will give your crust a nice base layer.

Whisk Filling

4. Whisk together the rhubarb, lemon juice, eggs, sugar, additional flour, and baking powder in another bowl.
   Ensure everything is well combined for an even filling.

Pour Filling

5. Pour the lemon-rhubarb mixture over the baked crust.
   Make sure to spread it evenly for consistent flavors.

Bake Again

6. Return to the oven and bake for an additional 25-30 minutes, until the filling is set.
   This will solidify the mixture into beautiful bars.

Cool and Slice

7. Allow to cool before slicing into bars.
   This cooling step helps the bars hold their shape.

How to Store It

Fridge: store in an airtight container for up to 5 days.
Freezer: yes, for up to 3 months.
Reheat: microwave for 15-20 seconds until warm.

Tips for Best Results

• Use fresh rhubarb for maximum flavor and texture.
• Let the bars cool completely to ensure clean cuts.
• For an extra touch, dust with powdered sugar before serving.

Serving Suggestions

• Pair with whipped cream or vanilla ice cream for a decadent dessert.
• Serve alongside a hot cup of tea for a delightful afternoon treat.
• Perfect for picnics or potlucks as a shareable dessert.