Rhubarb Custard Bars are a delightful treat that brings together a rich shortbread-like crust, creamy custard, and tart rhubarb. These bars shine at gatherings, making them perfect for family functions or casual get-togethers. Their unique combination of flavors and textures sets them apart from typical desserts, ensuring they will be a hit with everyone.
Why You’ll Love This Recipe
- Delicious Flavor: The tangy rhubarb pairs beautifully with the creamy custard, creating a taste sensation that is both refreshing and indulgent.
- Easy to Prepare: With straightforward steps, this recipe is perfect for bakers of all skill levels. You’ll have these bars ready in no time.
- Versatile Serving Options: Whether served as a dessert after dinner or as a sweet snack during the day, these bars are versatile enough for any occasion.
- Crowd-Pleasing Appeal: With their rich layers and appealing presentation, Rhubarb Custard Bars are sure to impress friends and family alike.
- Make Ahead Convenience: These bars can be made in advance and stored in the fridge, making them ideal for busy schedules.
Tools and Preparation
To make Rhubarb Custard Bars, you will need some essential tools to ensure your baking goes smoothly.
Essential Tools and Equipment
- Mixing bowls
- Whisk
- Baking pan (13×9-inch)
- Electric mixer
- Measuring cups and spoons
Importance of Each Tool
- Mixing bowls: These are necessary for combining ingredients efficiently without making a mess.
- Electric mixer: An electric mixer speeds up the process of beating cream cheese and whipping cream, giving you smooth results effortlessly.
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). Grease a 13×9-inch baking pan with butter or cooking spray to prevent sticking.
Step 2: Prepare the Crust
In a mixing bowl:
1. Combine 2 cups of all-purpose flour and 1/4 cup of sugar.
2. Cut in 1 cup of cold butter until the mixture resembles coarse crumbs.
3. Press this mixture firmly into the bottom of the prepared baking pan.
4. Bake in the preheated oven for 10 minutes until slightly golden.
Step 3: Make the Filling
While the crust bakes:
1. In another bowl, mix together 2 cups of sugar and 7 tablespoons of flour.
2. Whisk in 1 cup of heavy whipping cream followed by 3 large beaten eggs until smooth.
3. Stir in 5 cups of finely chopped rhubarb (fresh or properly thawed frozen).
Step 4: Bake the Filling
Pour the filling over the baked crust:
1. Return to oven and bake at 350°F for about 40-45 minutes until the custard is set.
2. Allow to cool completely on a wire rack.
Step 5: Prepare the Topping
For a luscious topping:
1. In a bowl, beat together 6 ounces of softened cream cheese, 1/2 cup of sugar, and 1/2 teaspoon vanilla extract until smooth.
2. Gently fold in 1 cup of whipped heavy cream until well combined.
Step 6: Assemble and Chill
Spread the topping evenly over cooled bars:
1. Cover with plastic wrap and refrigerate for about one hour or until firm enough to cut into bars.
2. Slice into squares and store in the fridge until serving.
These Rhubarb Custard Bars are best enjoyed chilled!
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 treating yourself, here are some serving suggestions to enhance your experience.
With Fresh Whipped Cream
- Fresh whipped cream adds a light and airy texture that complements the creamy custard layer beautifully.
A Scoop of Vanilla Ice Cream
- Serve these bars warm with a scoop of vanilla ice cream for a delicious contrast between hot and cold.
Garnished with Mint Leaves
- A few fresh mint leaves on top not only brighten the presentation but also add a refreshing flavor.
Drizzled with Caramel Sauce
- A drizzle of caramel sauce enhances the sweetness and adds an extra layer of richness to the bars.
Paired with Coffee or Tea
- These bars make for a perfect afternoon snack when paired with a cup of coffee or herbal tea.

How to Perfect Rhubarb Custard Bars
To make your Rhubarb Custard Bars even better, consider these helpful tips. They will ensure your bars turn out perfectly every time.
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Use Fresh Rhubarb: Fresh rhubarb delivers the best flavor and texture. If using frozen, ensure it is thawed and well-drained.
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Don’t Overmix the Filling: Stir gently to avoid incorporating too much air into the filling, which can lead to cracks during baking.
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Cool Completely Before Topping: Letting the bars cool completely prevents the topping from melting into the custard layer.
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Chill Before Serving: Refrigerating the bars for at least an hour allows them to set properly and makes cutting easier.
Best Side Dishes for Rhubarb Custard Bars
Rhubarb Custard Bars can be complemented by various side dishes that enhance their flavors. Here are some great options:
- Fruit Salad: A mix of seasonal fruits brings freshness and balances the tartness of the rhubarb.
- Cheese Platter: Include a variety of cheeses like brie and cheddar for a savory contrast to the sweet bars.
- Nutty Granola: Crunchy granola adds texture and is perfect as a topping alongside yogurt.
- Savory Quiche: A slice of quiche pairs well by providing a savory contrast to the sweet dessert.
- Simple Green Salad: A light salad dressed with vinaigrette offers freshness that pairs nicely with rich desserts.
- Chocolate Mousse: For chocolate lovers, this creamy dessert provides an indulgent pairing without overpowering the flavors.
Common Mistakes to Avoid
Making Rhubarb Custard Bars can be delightful, but there are a few common mistakes that can affect your results.
- Skipping the crust chilling: Not chilling the crust before baking can lead to a soggy base. Always chill your crust mixture to ensure it sets properly.
- Overbaking the custard: Baking the filling too long can make it rubbery. Keep an eye on it and remove it from the oven once the custard is set but still slightly wobbly in the center.
- Using unthawed rhubarb: If you’re using frozen rhubarb, ensure it’s fully thawed and drained. This prevents excess moisture from making your bars soggy.
- Not measuring ingredients accurately: Baking is a science, so precise measurements are crucial. Use measuring cups and spoons for accuracy.
- Ignoring cooling time: Cutting into the bars before they cool completely will result in messy slices. Allow them to cool thoroughly for best results.
Refrigerator Storage
- Store in an airtight container for up to 5 days.
- Keep bars separate with parchment paper if stacked to avoid sticking.
Freezing Rhubarb Custard Bars
- Wrap tightly in plastic wrap or aluminum foil.
- Store in a freezer-safe container for up to 3 months.
Reheating Rhubarb Custard Bars
- Oven: Preheat your oven to 350°F and warm the bars for about 10-15 minutes until heated through.
- Microwave: Place a bar on a microwave-safe plate and heat for 20-30 seconds or until warm.
- Stovetop: Heat in a skillet over low heat for about 5 minutes, flipping occasionally.
Frequently Asked Questions
Can I use other fruits instead of rhubarb in these bars?
Yes, you can easily substitute rhubarb with other fruits like strawberries or peaches, but adjust sugar levels based on sweetness.
How do I know when my Rhubarb Custard Bars are done?
The custard should be set around the edges and slightly wobbly in the center when done. It will firm up as it cools.
Can I make Rhubarb Custard Bars ahead of time?
Absolutely! These bars store well in the refrigerator and are perfect for making ahead of gatherings or special occasions.
What should I serve with Rhubarb Custard Bars?
These bars pair wonderfully with whipped cream or vanilla ice cream for added richness.
Final Thoughts
Rhubarb Custard Bars are a fantastic dessert that combines tartness with sweetness, offering a unique flavor profile. They are versatile enough to customize with different fruits or toppings, making them suitable for any occasion. Try this recipe and discover how deliciously satisfying they can be!
Rhubarb Custard Bars
- Total Time: 1 hour 15 minutes
- Yield: Serves approximately 12 bars 1x
Description
Rhubarb Custard Bars are an irresistible dessert that combines a buttery shortbread crust with a creamy custard filling and tart rhubarb. Perfect for any gathering, these bars are not only visually appealing but also offer a delightful balance of flavors that will leave your guests wanting more. Their ease of preparation makes them suitable for bakers of all skill levels, ensuring you can whip up this crowd-pleaser in no time. Serve them chilled, topped with fresh whipped cream or drizzled with caramel sauce for an extra treat!
Ingredients
- 2 cups all-purpose flour
- 1/4 cup sugar
- 1 cup cold butter
- 2 cups sugar (filling)
- 7 tablespoons all-purpose flour (filling)
- 1 cup heavy whipping cream (filling)
- 3 large eggs
- 5 cups finely chopped rhubarb (fresh or frozen)
- 6 ounces cream cheese (topping)
- 1/2 cup sugar (topping)
- 1/2 teaspoon vanilla extract
- 1 cup heavy whipping cream (whipped topping)
Instructions
- Preheat your oven to 350°F (175°C) and grease a 13×9-inch baking pan.
- In a mixing bowl, combine the flour and sugar for the crust. Cut in cold butter until crumbly, press into the pan, and bake for 10 minutes.
- For the filling, whisk together sugar and flour, then mix in heavy cream and beaten eggs. Stir in chopped rhubarb and pour over the baked crust. Bake for an additional 40-45 minutes until set.
- To prepare the topping, beat cream cheese with sugar and vanilla until smooth. Fold in whipped cream and spread over cooled bars.
- Chill for at least one hour before cutting into squares.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 320
- Sugar: 24g
- Sodium: 150mg
- Fat: 21g
- Saturated Fat: 12g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 80mg





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