Rich and tangy, Rhubarb Custard Bars are a delightful dessert that everyone will love. With their creamy custard layer sitting atop a buttery crust, these bars are perfect for family gatherings, picnics, or just a sweet treat at home. The combination of tart rhubarb and sweet custard creates a unique flavor that sets them apart from other desserts.
Why You’ll Love This Recipe
- Easy to Make: This recipe is straightforward, making it accessible for both novice and experienced bakers.
- Deliciously Unique Flavor: The tartness of rhubarb combined with creamy custard delivers a taste experience unlike any other.
- Perfect for Any Occasion: These bars can elevate any gathering, from casual family dinners to festive events.
- Versatile Ingredients: You can use fresh or frozen rhubarb, making it easy to whip up this treat year-round.
- Great for Sharing: With three dozen servings, these bars are perfect for sharing with friends and family.
Tools and Preparation
Before diving into the deliciousness of Rhubarb Custard Bars, gather your tools and prepare your kitchen. Having the right equipment makes the process easier and more enjoyable.
Essential Tools and Equipment
- 13×9-inch baking pan
- Mixing bowls
- Whisk
- Electric mixer
- Measuring cups and spoons
Importance of Each Tool
- 13×9-inch baking pan: This size ensures even baking and allows you to cut your bars into perfect portions.
- Electric mixer: Saves time and effort when mixing the creamy topping, ensuring a smooth texture without lumps.
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). Greasing your baking pan will help ensure that the bars come out easily once baked.
Step 2: Prepare the Crust
- In a mixing bowl, combine 2 cups of all-purpose flour with 1/4 cup of sugar.
- Cut in 1 cup of cold butter until the mixture resembles coarse crumbs.
- Press this mixture firmly into the bottom of your prepared pan.
- Bake for 10 minutes or until lightly golden.
Step 3: Make the Filling
- While the crust bakes, mix together 2 cups of sugar with 7 tablespoons of flour in another bowl.
- Whisk in 1 cup of heavy whipping cream followed by 3 beaten eggs until well combined.
- Gently stir in 5 cups of finely chopped rhubarb.
Step 4: Assemble and Bake
Pour the filling over the pre-baked crust. Return to the oven and bake at 350°F for 40-45 minutes or until the custard is set. Allow cooling completely before proceeding.
Step 5: Prepare the Topping
- In a clean bowl, beat together 6 ounces of softened cream cheese with 1/2 cup of sugar and 1/2 teaspoon of vanilla extract until smooth.
- Fold in whipped cream carefully until fully integrated.
- Spread this topping over your cooled rhubarb custard bars.
Step 6: Chill Before Serving
Cover your bars with plastic wrap and refrigerate until firm enough to cut—about one hour. Once set, slice into bars and store them in the refrigerator.
Enjoy these delightful Rhubarb Custard Bars chilled for an unforgettable dessert experience!
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, these bars can be served with accompaniments that enhance their flavors.
Pair with Fresh Fruit
- Strawberries: The sweetness of strawberries complements the tartness of rhubarb perfectly.
- Raspberries: Fresh raspberries add a burst of flavor that pairs well with the creamy custard.
Add a Scoop of Ice Cream
- Vanilla Ice Cream: A classic pairing, vanilla ice cream adds creaminess and balances the tangy rhubarb.
- Strawberry Sorbet: For a fruity twist, strawberry sorbet brings a refreshing element to the dessert.
Serve with Whipped Cream
- Homemade Whipped Cream: Light and fluffy whipped cream enhances the texture and adds sweetness.
- Flavored Whipped Cream: Experiment with flavors like vanilla or almond for an extra touch.
Drizzle with Sauce
- Caramel Sauce: A warm caramel drizzle provides a rich contrast to the tart rhubarb.
- Berry Sauce: A homemade berry sauce can elevate your bars with additional fruity notes.

How to Perfect Rhubarb Custard Bars
To ensure your Rhubarb Custard Bars turn out perfectly every time, consider these helpful tips.
- Use fresh rhubarb: Fresh rhubarb provides better flavor and texture than frozen. If using frozen, ensure it’s thoroughly thawed and drained.
- Chill before serving: Allowing the bars to chill for at least an hour helps them set properly, making them easier to cut.
- Adjust sweetness: Depending on your taste preference and the tartness of your rhubarb, you may want to adjust the sugar in the filling slightly.
- Serve cold: These bars are best enjoyed chilled; they maintain their structure and flavor when served cold.
Best Side Dishes for Rhubarb Custard Bars
Rhubarb Custard Bars pair well with various side dishes that can complement their unique flavors. Here are some fantastic options to consider.
- Minted Peas: A refreshing side that adds a pop of color and a hint of sweetness.
- Roasted Asparagus: The earthiness of roasted asparagus contrasts nicely with the sweet custard bars.
- Simple Green Salad: A light salad with lemon vinaigrette brightens up the meal without overwhelming the dessert.
- Grilled Chicken: The savory flavor of grilled chicken makes it a hearty option alongside your sweet bars.
- Cheese Platter: A selection of cheeses can provide a savory balance to the sweet richness of the bars.
- Baked Sweet Potatoes: Their natural sweetness works well with desserts while adding nutritional value.
Common Mistakes to Avoid
Making Rhubarb Custard Bars can be a delightful experience, but some common mistakes can hinder your success. Here are a few pitfalls to watch out for:
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Overmixing the crust – This can lead to a tough texture. Mix just until combined for a tender shortbread-like crust.
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Ignoring rhubarb preparation – Not properly thawing and draining frozen rhubarb can make your filling too watery. Always ensure it’s well-drained before using.
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Skipping cooling time – Cutting into the bars before they cool completely can result in messy servings. Allow them to cool fully for clean cuts.
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Incorrect oven temperature – Baking at the wrong temperature can affect how well the custard sets. Use an oven thermometer for accuracy.
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Not chilling the bars – Serving them right after preparation might not achieve the perfect texture. Refrigerate the bars for at least one hour before cutting.
Storage & Reheating Instructions
Refrigerator Storage
- Store Rhubarb Custard Bars in an airtight container.
- They will last up to 5 days in the refrigerator.
- Keep them chilled until serving to maintain freshness.
Freezing Rhubarb Custard Bars
- Wrap bars tightly in plastic wrap or aluminum foil.
- Place them in a freezer-safe container or bag.
- They can be stored for up to 3 months in the freezer.
Reheating Rhubarb Custard Bars
- Oven – Preheat to 350°F, cover with foil, and heat for about 10-15 minutes until warm.
- Microwave – Heat individual bars on medium power for 20-30 seconds, checking frequently to avoid overheating.
- Stovetop – Place bars in a skillet over low heat, cover, and warm gently, turning occasionally.
Frequently Asked Questions
Here are some common questions about making Rhubarb Custard Bars along with their answers:
Can I use frozen rhubarb for Rhubarb Custard Bars?
Yes, you can use frozen rhubarb. Just ensure it is thoroughly thawed and drained before adding it to the filling mixture.
What is the best way to cut Rhubarb Custard Bars?
To achieve clean cuts, allow the bars to cool completely and chill them in the fridge for at least one hour before slicing.
How long do Rhubarb Custard Bars last?
When stored properly in the refrigerator, these bars can last up to 5 days. If frozen, they will keep for about 3 months.
Can I customize my Rhubarb Custard Bars?
Absolutely! You can add spices like cinnamon or nutmeg, mix in strawberries, or try different toppings like nuts or coconut to enhance flavor.
Final Thoughts
Rhubarb Custard Bars are not only delicious but also versatile enough for various occasions. Their combination of tart rhubarb and creamy custard makes them a crowd favorite. Feel free to customize these bars with your favorite flavors or toppings. Try making them today; you won’t be disappointed!
Rhubarb Custard Bars
- Total Time: 1 hour 15 minutes
- Yield: Approximately 36 servings 1x
Description
Rhubarb Custard Bars are a delightful combination of tangy rhubarb and creamy custard, all nestled on a buttery crust. Their unique flavor profile makes them a standout dessert for any occasion, from family gatherings to casual picnics. These bars are not only easy to make but also perfect for sharing, yielding about three dozen servings. With the option to use fresh or frozen rhubarb, you can whip up this sweet treat year-round. Serve chilled, and enjoy the refreshing balance of tartness and sweetness.
Ingredients
- 2 cups all-purpose flour (for crust)
- 1 cup cold butter
- 2 cups sugar (for filling)
- 5 cups finely chopped rhubarb
- 1 cup heavy whipping cream (for filling)
- 6 ounces cream cheese (for topping)
Instructions
- Preheat oven to 350°F (175°C) and grease a 13×9-inch baking pan.
- For the crust: Mix flour and sugar, cut in butter until crumbly, press into pan, and bake for 10 minutes until golden.
- For the filling: Whisk together sugar and flour; add heavy cream and eggs. Stir in rhubarb before pouring over baked crust.
- Bake for 40-45 minutes until custard is set; cool completely.
- For the topping: Beat cream cheese with sugar and vanilla; fold in whipped cream and spread over cooled bars.
- Chill for at least one hour before cutting into bars.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 145
- Sugar: 12g
- Sodium: 55mg
- Fat: 8g
- Saturated Fat: 5g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 17g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 40mg





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