Rich and tangy, Rhubarb Custard Bars are a delightful treat perfect for gatherings, celebrations, or simply enjoying at home. With a buttery crust, creamy custard filling, and tart rhubarb, these bars offer a unique flavor combination that will impress family and friends. Whether served as a dessert or an afternoon snack, their gooey texture and vibrant taste make them a standout choice.
Why You’ll Love This Recipe
- Easy to Prepare: This recipe combines simple ingredients and straightforward steps, making it accessible for bakers of all levels.
- Delicious Flavor: The balance of sweet custard and tart rhubarb creates a mouthwatering taste that is hard to resist.
- Versatile Serving Options: Enjoy these bars chilled as a refreshing dessert or warm with a scoop of ice cream.
- Perfect for Sharing: With enough servings for three dozen people, they are ideal for potlucks, picnics, or family gatherings.
- Seasonal Delight: Rhubarb is in season during spring and early summer, making this dessert timely and fresh.
Tools and Preparation
Having the right tools makes the process smoother and more enjoyable. Here’s what you’ll need to whip up these delicious Rhubarb Custard Bars.
Essential Tools and Equipment
- Mixing bowls
- 13×9-inch baking pan
- Whisk
- Electric mixer
- Measuring cups and spoons
- Rubber spatula
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients without spills.
- Electric mixer: Makes whipping cream cheese and cream easier and quicker.
- Rubber spatula: Handy for folding in whipped cream gently without deflating it.
Ingredients
For the Crust
- 2 cups all-purpose flour
- 1/4 cup sugar
- 1 cup cold butter
For the Filling
- 2 cups sugar
- 7 tablespoons all-purpose flour
- 1 cup heavy whipping cream
- 3 large eggs, beaten
- 5 cups finely chopped fresh or frozen rhubarb, thawed and drained
For the Topping
- 6 ounces cream cheese, softened
- 1/2 cup sugar
- 1/2 teaspoon vanilla extract
- 1 cup heavy whipping cream, whipped
How to Make Rhubarb Custard Bars
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C) and grease your 13×9-inch baking pan to prevent sticking.
Step 2: Make the Crust
- In a bowl, combine 2 cups all-purpose flour and 1/4 cup sugar.
- Cut in 1 cup cold butter until the mixture resembles coarse crumbs.
- Press this mixture into the bottom of the prepared baking pan.
- Bake for 10 minutes until lightly golden.
Step 3: Prepare the Filling
- In another bowl, combine 2 cups sugar and 7 tablespoons flour.
- Whisk in 1 cup heavy whipping cream, followed by the 3 beaten eggs.
- Stir in the chopped rhubarb until evenly mixed.
Step 4: Bake the Filling
Pour the filling over the pre-baked crust. Bake at 350°F (175°C) for 40-45 minutes until the custard is set. Allow cooling completely on a wire rack.
Step 5: Make the Topping
- In a mixing bowl, beat together 6 ounces softened cream cheese, 1/2 cup sugar, and 1/2 teaspoon vanilla extract until smooth.
- Fold in 1 cup whipped heavy cream, mixing gently.
Step 6: Assemble and Chill
Spread the topping evenly over the cooled bars. Cover with plastic wrap and refrigerate until firm enough to cut, about 1 hour. Cut into bars, serve chilled, and store any leftovers in the refrigerator for freshness.
Enjoy your delicious homemade Rhubarb Custard Bars!
How to Serve Rhubarb Custard Bars
Rhubarb Custard Bars are a delightful treat that can be enjoyed in various ways. Whether you’re hosting a gathering or simply indulging at home, here are some serving suggestions to enhance your experience.
With Fresh Berries
- Serve the bars alongside fresh strawberries or blueberries for a burst of flavor and color.
A Scoop of Ice Cream
- Pair each bar with a scoop of vanilla ice cream. The creamy texture complements the tartness of the rhubarb perfectly.
Whipped Cream Topping
- Add a dollop of whipped cream on top for an extra layer of sweetness and richness.
Drizzled with Caramel Sauce
- For those who love a sweet contrast, drizzle caramel sauce over the bars before serving.
On a Dessert Platter
- Arrange the bars on a platter with other desserts for a colorful dessert spread. This is perfect for parties.
Coffee or Tea Pairing
- Enjoy your bars with a cup of coffee or tea. Their flavors blend beautifully, making for a cozy treat.

How to Perfect Rhubarb Custard Bars
To achieve the best results with your Rhubarb Custard Bars, consider these helpful tips:
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Use fresh rhubarb: Fresh rhubarb gives the best flavor and texture. If using frozen, ensure it’s thawed and well-drained.
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Don’t rush cooling: Allow the bars to cool completely before adding the topping. This helps maintain their structure and flavor.
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Chill before serving: Refrigerate the bars after preparing them. They taste best when chilled, as this enhances their creamy filling.
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Adjust sweetness: Depending on your preference, you can reduce sugar in the custard if you prefer a less sweet dessert.
Best Side Dishes for Rhubarb Custard Bars
Rhubarb Custard Bars can be complemented by various side dishes that enhance their tartness and sweetness. Here are some great options:
-
Vanilla Ice Cream
A classic pairing that adds creaminess and balances the tartness of the rhubarb. -
Fruit Salad
A refreshing mix of seasonal fruits can lighten up your dessert table and offer contrasting flavors. -
Cheese Platter
Include soft cheeses like brie or goat cheese to pair with the sweet custard bars for an elegant touch. -
Chocolate Mousse
Rich chocolate mousse provides a delightful contrast to the tangy bars, creating an indulgent dessert experience. -
Shortbread Cookies
Crisp shortbread cookies add texture and are perfect for dipping into any leftover custard sauce from the bars. -
Lemon Sorbet
The zesty flavor of lemon sorbet cleanses the palate between bites of rich custard bars, enhancing your overall enjoyment. -
Nutty Granola
A sprinkle of nutty granola on top provides crunch and complements the creamy filling nicely. -
Meringue Kisses
Light and airy meringue kisses offer another sweet option that pairs well with the tangy rhubarb flavor.
Common Mistakes to Avoid
Making Rhubarb Custard Bars can be simple, but there are a few common mistakes that can affect the outcome. Here are some tips to ensure your bars turn out perfectly.
- Using unthawed rhubarb: If you’re using frozen rhubarb, make sure it is completely thawed and drained. Excess moisture can lead to a soggy filling.
- Not cooling completely: Allow the bars to cool completely before adding the topping. This helps the layers set properly and makes cutting easier.
- Skipping the greasing step: Always grease your baking pan well. This prevents the bars from sticking and ensures easy removal once they’re ready.
- Overmixing the filling: Mix just until combined when preparing the custard filling. Overmixing can incorporate too much air, which may cause cracks in the custard as it bakes.
- Ignoring baking times: Keep an eye on your oven! Baking times may vary. Check for doneness by gently shaking the pan; if the center is set and doesn’t jiggle too much, it’s done.
Refrigerator Storage
- Store your Rhubarb Custard Bars in an airtight container in the refrigerator.
- They will keep well for up to one week, making them a great make-ahead dessert.
Freezing Rhubarb Custard Bars
- Wrap individual bars tightly in plastic wrap or aluminum foil.
- Place wrapped bars in a freezer-safe container or zipper bag.
- These bars can be frozen for up to three months. Just remember to label them!
Reheating Rhubarb Custard Bars
- Oven: Preheat your oven to 350°F. Place bars on a baking sheet and heat for about 10-15 minutes until warmed through.
- Microwave: Heat one bar at a time for 15-20 seconds until warm. Be careful not to overheat, as this can change the texture of the custard.
- Stovetop: Place bars in a non-stick skillet over low heat, covering with a lid for even warming. Heat for about 5-7 minutes.
Frequently Asked Questions
What are Rhubarb Custard Bars?
Rhubarb Custard Bars are delicious dessert squares featuring a buttery crust, creamy custard filling with tart rhubarb, and often topped with whipped cream or cream cheese frosting.
Can I use frozen rhubarb in my Rhubarb Custard Bars?
Yes! Frozen rhubarb works well in this recipe. Just ensure it is fully thawed and drained before using it in your filling.
How do I know when my Rhubarb Custard Bars are done?
Your bars are done when the custard is set and does not jiggle excessively when you gently shake the pan. A golden top is also a good indicator they’re ready!
Can I customize my Rhubarb Custard Bars?
Absolutely! Feel free to add spices like cinnamon or nutmeg, or mix in other fruits such as strawberries for added flavor.
How should I serve Rhubarb Custard Bars?
These bars are best served chilled and cut into squares. They make a delightful treat for gatherings or simply as an indulgent snack!
Final Thoughts
Rhubarb Custard Bars are not only delicious but also versatile enough for various occasions. Their rich flavors and creamy texture will surely impress family and friends alike. Don’t hesitate to experiment with different toppings or fruit combinations! Try making these delectable bars today; they might just become your new favorite dessert!
Rhubarb Custard Bars
- Total Time: 1 hour 20 minutes
- Yield: Approximately 24 servings 1x
Description
Indulge in the delightful balance of flavors with Rhubarb Custard Bars. These luscious treats feature a buttery crust topped with a creamy custard filling and tart rhubarb, making them an irresistible dessert for any occasion. Perfect for gatherings or a cozy afternoon snack, these bars are both visually stunning and deliciously satisfying. With their gooey texture and vibrant taste, they are sure to impress family and friends alike. Serve them chilled or warm with a scoop of ice cream for an unforgettable experience!
Ingredients
- 2 cups all-purpose flour
- 1/4 cup sugar
- 1 cup cold butter
- 2 cups sugar (for filling)
- 7 tablespoons all-purpose flour (for filling)
- 1 cup heavy whipping cream (for filling)
- 3 large eggs, beaten
- 5 cups finely chopped rhubarb
- 6 ounces cream cheese, softened (for topping)
- 1/2 cup sugar (for topping)
- 1/2 teaspoon vanilla extract
- 1 cup heavy whipping cream, whipped (for topping)
Instructions
- Preheat oven to 350°F (175°C) and grease a 13×9-inch baking pan.
- Prepare the crust by combining flour and sugar; cut in cold butter until crumbly. Press into the bottom of the pan and bake for 10 minutes.
- In another bowl, whisk together sugar, flour, heavy cream, and beaten eggs; stir in rhubarb.
- Pour filling over the crust and bake for 40-45 minutes until set. Cool on a wire rack.
- For the topping, beat cream cheese with sugar and vanilla until smooth. Fold in whipped cream.
- Spread topping over cooled bars and refrigerate until firm. Cut into squares and serve chilled.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 220
- Sugar: 15g
- Sodium: 90mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 27g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 55mg




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