Rhubarb Custard Bars are a delightful treat that combines a rich, gooey filling with a buttery crust and tart rhubarb. These bars are perfect for family gatherings, potlucks, or simply as a sweet indulgence after dinner. The creamy custard layer beautifully complements the tangy rhubarb, making each bite irresistible. If you’re looking for an easy dessert that impresses everyone, these bars will surely do the trick!
Why You’ll Love This Recipe
- Easy to Make: This recipe is straightforward and doesn’t require advanced baking skills.
- Delicious Flavor Combination: The tartness of rhubarb paired with creamy custard creates a unique taste experience.
- Perfect for Any Occasion: Whether it’s a family gathering or a picnic, these bars are a hit everywhere.
- Make Ahead Option: These bars can be prepared in advance and chilled, making them great for busy days.
- Versatile Serving Options: Serve them plain, with whipped cream, or even à la mode.
Tools and Preparation
To make your Rhubarb Custard Bars effortlessly, you’ll need some essential kitchen tools. Having the right equipment not only speeds up the process but also ensures better results.
Essential Tools and Equipment
- Mixing bowl
- Whisk
- 13×9-inch baking pan
- Measuring cups and spoons
- Electric mixer (optional)
Importance of Each Tool
- Mixing bowl: A large bowl allows you to mix your ingredients thoroughly without mess.
- Electric mixer: While you can use a whisk, an electric mixer makes it easier to achieve a smooth topping.
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. Grease a 13×9-inch baking pan to prepare for the crust.
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 into the bottom of the prepared pan.
4. Bake for about 10 minutes until lightly golden.
Step 3: Prepare the Filling
While the crust is baking:
1. In another bowl, combine 2 cups of sugar and 7 tablespoons of flour.
2. Whisk in 1 cup of heavy whipping cream followed by the beaten eggs.
3. Stir in 5 cups of finely chopped rhubarb.
Step 4: Bake the Filling
Pour the filling over your baked crust:
1. Bake at 350°F for 40-45 minutes or until the custard is set.
2. Allow it to cool completely on a wire rack.
Step 5: Make the Topping
For the topping:
1. Beat together 6 ounces of softened cream cheese, 1/2 cup of sugar, and 1/2 teaspoon of vanilla extract until smooth.
2. Gently fold in whipped cream until combined.
3. Spread this mixture evenly over cooled bars.
Step 6: Chill Before Serving
Cover your pan and refrigerate until firm enough to cut—about one hour. Once set, cut into bars and store them in the refrigerator.
Enjoy your delicious 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 enjoying a quiet evening, here are some serving suggestions to enhance your experience.
Pair with Fresh Whipped Cream
- Top each bar with a dollop of fresh whipped cream for added richness and a light texture.
Serve with Vanilla Ice Cream
- A scoop of vanilla ice cream complements the tartness of the rhubarb, creating a delicious contrast.
Add Fresh Berries
- Garnish with fresh strawberries or raspberries to add a pop of color and additional flavor.
Drizzle with Caramel Sauce
- A warm drizzle of caramel sauce adds sweetness and depth, making each bite even more indulgent.
Present on a Dessert Platter
- Arrange the bars on a beautiful platter for an inviting display that will impress your guests.
Enjoy with Tea or Coffee
- These bars pair wonderfully with a cup of tea or coffee, making for a perfect afternoon treat.

How to Perfect Rhubarb Custard Bars
To achieve the best results when making Rhubarb Custard Bars, consider these tips for perfection.
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Use Fresh Rhubarb: Fresh rhubarb offers the best flavor and texture, enhancing the overall taste of your bars.
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Thoroughly Drain Frozen Rhubarb: If using frozen rhubarb, ensure it’s fully thawed and drained to prevent excess moisture in the custard.
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Don’t Overmix the Filling: Gently combine ingredients in the filling to avoid incorporating too much air, which can affect the texture.
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Cool Completely Before Topping: Allow the bars to cool completely before adding the cream cheese topping for better consistency.
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Chill Before Serving: Refrigerating the bars for at least an hour after topping helps them set perfectly and makes cutting easier.
Best Side Dishes for Rhubarb Custard Bars
Rhubarb Custard Bars can be enhanced with various side dishes that complement their flavors. Here are some ideas:
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Minted Fruit Salad: A refreshing mix of seasonal fruits tossed with mint adds brightness to your dessert table.
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Cheese Platter: A selection of soft cheeses pairs well with the tartness of rhubarb, providing a savory contrast.
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Chocolate Fondue: Set up a chocolate fondue station for dipping fruits and marshmallows alongside your rhubarb bars.
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Savory Scones: Cheese or herb scones offer a delightful balance between sweet and savory flavors during dessert time.
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Yogurt Parfaits: Layer yogurt with granola and fresh fruit for a light side dish that complements the richness of the bars.
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Lemonade or Iced Tea: Refreshing beverages like homemade lemonade or iced tea can cleanse your palate while enjoying dessert.
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Pecan Shortbread Cookies: These cookies add an extra crunchy texture that works beautifully with creamy bars.
Common Mistakes to Avoid
When making Rhubarb Custard Bars, it’s easy to make a few errors. Here are some common mistakes to watch out for:
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Skipping the chilling time: Allowing the bars to chill is crucial. Skipping this step can result in messy bars that are hard to cut. Always refrigerate until firm.
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Using unprepared rhubarb: Fresh or frozen rhubarb must be thoroughly thawed and drained. If it’s not, excess moisture can ruin the custard’s texture. Make sure to prep your rhubarb properly.
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Overbaking the custard: Keeping the bars in the oven too long can lead to a dry filling. Check for doneness at 40 minutes; the custard should be set but still slightly jiggly.
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Not measuring ingredients accurately: Baking is a science, and precise measurements matter. Use proper measuring cups and spoons for both dry and wet ingredients to ensure success.
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Neglecting to grease the pan: A greased pan is essential for easy removal. Forgetting this step may cause the crust to stick, making serving difficult.
Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 5 days.
- Ensure bars are completely cooled before sealing to avoid condensation.
Freezing Rhubarb Custard Bars
- Wrap individual bars tightly in plastic wrap and place them in a freezer-safe container.
- They can be frozen for up to 3 months; label with the date for reference.
Reheating Rhubarb Custard Bars
- Oven: Preheat to 350°F and warm bars for about 10-15 minutes until heated through.
- Microwave: Heat on medium power for 20-30 seconds per bar, checking frequently.
- Stovetop: Place bars in a skillet over low heat, covering with a lid until warmed through.
Frequently Asked Questions
Here are some common questions about Rhubarb Custard Bars:
Can I use frozen rhubarb?
Yes, you can use frozen rhubarb! Just ensure it is thawed and drained well before mixing into your filling.
How do I know when my custard is set?
Your custard is set when it no longer jiggles excessively and appears firm around the edges but slightly wobbly in the center.
Can I customize this recipe?
Absolutely! You can add spices like cinnamon or nutmeg, or mix in berries like strawberries for added flavor.
What if my filling turns out too runny?
If your filling is runny, it may be due to excess moisture from the rhubarb. Make sure it is well-drained next time or increase flour slightly.
Final Thoughts
These Rhubarb Custard Bars are not only delicious but also versatile, making them perfect for any gathering or as a sweet treat at home. With their rich flavors and creamy texture, they are sure to impress family and friends alike. Feel free to customize them with different fruits or spices to suit your taste!
Rhubarb Custard Bars
- Total Time: 1 hour 25 minutes
- Yield: Approximately 16 servings 1x
Description
Rhubarb Custard Bars are a sweet and tangy dessert that combines a buttery crust with a luscious custard filling made from fresh rhubarb. These bars are easy to make and perfect for any occasion, whether it’s a family gathering, potluck, or simply treating yourself after dinner. The creamy custard enhances the tartness of the rhubarb, making each bite utterly delightful. With minimal prep time and straightforward instructions, this recipe is suitable for bakers of all skill levels. Serve them chilled for a refreshing dessert or warm with a scoop of ice cream for an indulgent treat.
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
- 1/2 cup sugar (for topping)
- 1/2 teaspoon vanilla extract
- 1 cup heavy whipping cream, whipped (for topping)
Instructions
- Preheat the oven to 350°F and grease a 13×9-inch baking pan.
- For the crust: In a mixing bowl, combine flour and sugar. Cut in butter until crumbly, then press into the pan. Bake for about 10 minutes until lightly golden.
- For the filling: In another bowl, mix sugar and flour; whisk in cream and eggs, followed by rhubarb. Pour over baked crust and bake for 40-45 minutes until set.
- For the topping: Beat cream cheese with sugar and vanilla until smooth; fold in whipped cream. Spread over cooled bars.
- Chill in the refrigerator for at least an hour before serving.
- Prep Time: 30 minutes
- Cook Time: 55 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar (80g)
- Calories: 276
- Sugar: 24g
- Sodium: 161mg
- Fat: 18g
- Saturated Fat: 11g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 27g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 97mg





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