Hey there! If you’re looking for a sweet treat that dances between tart and sweet, making it the perfect tart dessert, you’re going to love these rhubarb dessert bars. These delightful desserts are not just a great way to use up rhubarb from your garden or the farmer’s market; they’re also a fantastic way to impress your friends and family.
I remember the first time I made rhubarb bars, and my son, who was just a little guy then, couldn’t get enough of the tangy filling. Ever since then, they’ve become a staple in our home, especially during the spring when rhubarb is in season, making it a delightful seasonal dessert.
In this guide, we’ll explore everything you need to know about making perfect rhubarb bars. From the ingredients to tips for success, I’ll share my experiences and advice to ensure your bars turn out amazing every time. So, grab your apron, and let’s dive into the world of rhubarb!
Why You'll Love This Rhubarb Bars
These rhubarb bars are a delightful combination of a buttery crust and a tangy filling that’s both refreshing and satisfying. You’ll appreciate how easy they are to make, even if you’re new to baking, especially when baking with rhubarb. Plus, they’re perfect for sharing at picnics, potlucks, or family gatherings. I love how they strike the right balance between sweet and tart, making them an ideal dessert for any occasion.
Perfect for Any Season
Rhubarb bars bring a taste of spring to your table, but they can easily be enjoyed year-round. In my experience, they taste even better after a day in the fridge, allowing the flavors to meld beautifully. You can enjoy them warm, cold, or room temperature — there’s no wrong way!
Customizable for Your Taste
What I find fascinating is how versatile rhubarb bars can be. You can add spices like cinnamon or nutmeg for a cozy flavor or mix berries in with the rhubarb for a fruity twist. The possibilities are endless, and you can tailor the rhubarb recipes to fit your preferences.
Ingredients You'll Need for This Rhubarb Bars

- 1 ½ cups all-purpose flour
- ½ cup granulated sugar
- ½ cup unsalted butter, softened
- 1 large egg
- 1 tsp vanilla extract
- 2 cups fresh rhubarb, chopped
- 1 cup granulated sugar (for the filling)
- ½ tsp salt
- 1 tbsp cornstarch
- 1 tbsp lemon juice
If you want to make these bars gluten-free, you can use a 1:1 gluten-free flour blend in place of regular flour. For a dairy-free version, swap the butter for coconut oil or a vegan butter substitute.
Nutrition Facts
- Calories: 200
- Protein: 2g
- Fat: 8g
- Carbohydrates: 32g
- Fiber: 1g
- Sugar: 12g
- Sodium: 150mg
Steps to Create Your Rhubarb Bars
- Preheat your oven to 350°F (175°C). Grease a 9×9-inch baking pan or line it with parchment paper for easy removal.
- In a mixing bowl, combine the flour and ½ cup of sugar. Add the softened butter and mix until crumbly.
- Add the egg and vanilla extract, mixing until well incorporated. Press the mixture firmly into the bottom of the prepared pan to form the crust.
- In a separate bowl, combine the chopped rhubarb, 1 cup of sugar, salt, cornstarch, and lemon juice. Stir until the rhubarb is well coated.
- Spread the rhubarb mixture evenly over the crust.
- Bake for 40-45 minutes, or until the top is set and lightly golden. The filling should bubble slightly.
- Let the bars cool in the pan for about 30 minutes before slicing into squares.
- Enjoy them warm, or let them cool completely before refrigerating for later! Trust me, they’re just as delicious cold!
“The secret to great rhubarb bars is allowing them to chill overnight. The flavors deepen and meld together beautifully!”

Tips for Making the Best Rhubarb Bars
Here’s a couple of my favorite tips to ensure your rhubarb bars turn out perfect every time:
Use Fresh Rhubarb
While frozen rhubarb works, fresh rhubarb gives the best flavor and texture. If you’re lucky enough to have a garden, pick it right before using it. I remember when I first tasted fresh rhubarb — it was a game-changer!
Don’t Overmix the Dough
When making the crust, mix just until combined. Overmixing can lead to a tough texture, and we want these bars to be tender and buttery. Keep it simple, and you’ll be golden!
Serving Suggestions and Pairings
Rhubarb bars are delicious on their own, but a scoop of vanilla ice cream on top can elevate the experience. You can also serve them with a dollop of whipped cream or even a sprinkle of powdered sugar for a touch of elegance.
Perfect for Picnics
These bars are an excellent choice for picnics and gatherings. They’re easy to transport and can be cut into bite-sized pieces for easy sharing. I often pack them in a container for family outings — they disappear fast!
Storage and Reheating Tips
Store your rhubarb bars in an airtight container in the fridge for up to a week. They can also be frozen for up to three months. Just make sure to let them cool completely before wrapping them tightly in plastic wrap and placing them in a freezer bag.
Reheating
If you want to enjoy them warm, pop them in the oven at 350°F for about 10 minutes. They’ll taste fresh out of the oven!
Final Thoughts
Making rhubarb bars is a delightful experience that brings the flavors of spring right to your table. They’re easy to make, refreshing, and absolutely delicious. I hope you give this recipe a try and enjoy the sweet-tart goodness they offer. Remember, every bite is a little taste of sunshine!
Frequently Asked Questions
What are the best recipes for rhubarb bars?
The best rhubarb bar recipes feature a buttery crust and a tangy rhubarb filling. Look for recipes that balance sweet and tart flavors for the best results!
How do you make rhubarb crumble bars?
To make rhubarb crumble bars, use a similar base as rhubarb bars but top with a crumbly mixture of flour, oats, and brown sugar for a crunchy texture!
Can you freeze rhubarb bars?
Yes, you can freeze rhubarb bars! Just make sure they are cooled completely and wrapped tightly before placing them in the freezer.
What ingredients do I need for rhubarb dessert bars?
You’ll need flour, sugar, butter, eggs, vanilla extract, rhubarb, salt, cornstarch, and lemon juice for the filling!
Are rhubarb bars gluten-free?
Yes, you can easily make rhubarb bars gluten-free by using a gluten-free flour blend instead of all-purpose flour.
Rhubarb Bars
Delightfully tangy rhubarb bars with a buttery crust, perfect for spring gatherings!
- Total Time: 60
Ingredients
- 1 ½ cups all-purpose flour
- ½ cup granulated sugar
- ½ cup unsalted butter (softened)
- 1 large egg
- 1 tsp vanilla extract
- 2 cups fresh rhubarb (chopped)
- 1 cup granulated sugar (for the filling)
- ½ tsp salt
- 1 tbsp cornstarch
- 1 tbsp lemon juice
Instructions
- Preheat your oven to 350°F (175°C). Grease a 9×9-inch baking pan or line it with parchment paper for easy removal.
- In a mixing bowl, combine the flour and ½ cup of sugar. Add the softened butter and mix until crumbly.
- Add the egg and vanilla extract, mixing until well incorporated. Press the mixture firmly into the bottom of the prepared pan to form the crust.
- In a separate bowl, combine the chopped rhubarb, 1 cup of sugar, salt, cornstarch, and lemon juice. Stir until the rhubarb is well coated.
- Spread the rhubarb mixture evenly over the crust.
- Bake for 40-45 minutes, or until the top is set and lightly golden. The filling should bubble slightly.
- Let the bars cool in the pan for about 30 minutes before slicing into squares.
- Enjoy them warm, or let them cool completely before refrigerating for later!
- Prep Time: 15
- Cook Time: 45