Treat yourself to these delightful Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight, combining tangy rhubarb with a smooth custard filling. These bars are perfect for family gatherings or a sweet indulgence, creamy, flavorful, and sure to impress anyone who tries them.

Why You’ll Love This Recipe
- Deliciously Tangy: The unique flavor of rhubarb adds a refreshing twist that balances the sweetness of the custard.
- Easy to Make: With simple ingredients and straightforward steps, this dessert is perfect even for novice bakers.
- Versatile Treat: Great for summer picnics, holiday celebrations, or just as a delightful everyday dessert.
- Perfectly Creamy: The combination of heavy cream and eggs creates a rich custard that melts in your mouth.
- Family Favorite: These bars are sure to become a go-to recipe everyone will ask for time and time again.
Tools and Preparation
To make your baking experience smooth and enjoyable, have the right tools ready. These essential items will help you create your Rhubarb Custard Bars with ease.
Essential Tools and Equipment
- 9×13-inch baking dish
- Mixing bowls
- Whisk
- Pastry cutter or fork
- Measuring cups and spoons
Importance of Each Tool
- 9×13-inch baking dish: This size is ideal for creating even layers of crust and custard, ensuring uniform cooking.
- Mixing bowls: Having various sizes helps manage different ingredient combinations easily.
- Whisk: A good whisk ensures that your custard mixture is smooth and free of lumps, resulting in a creamy texture.
Ingredients
For the Crust
- 2 cups all-purpose flour
- 1/4 cup granulated sugar
- 1 cup cold butter, cubed
For the Custard Filling
- 3 large eggs
- 2 cups granulated sugar
- 1/2 cup all-purpose flour
- 1/2 tsp salt
- 1 cup heavy cream
- 5 cups rhubarb, diced
How to Make Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C), ensuring it reaches the correct temperature for an even bake.
Step 2: Prepare the Crust
In a large bowl:
1. Combine 2 cups of all-purpose flour and 1/4 cup of granulated sugar.
2. Cut in 1 cup of cold butter, using a pastry cutter or fork until the mixture resembles coarse crumbs.
3. Press this mixture into the bottom of a greased 9×13-inch baking dish.
4. Bake the crust for 10 minutes in the preheated oven.
Step 3: Make the Custard Filling
While the crust is baking:
1. In another bowl, whisk together 3 large eggs, 2 cups of granulated sugar, 1/2 cup of all-purpose flour, 1/2 tsp salt, and 1 cup of heavy cream until smooth.
2. Gently fold in 5 cups of diced rhubarb, making sure it’s evenly distributed.
Step 4: Bake the Bars
Once the crust is done:
1. Pour the custard mixture over the partially baked crust.
2. Bake for an additional 40-45 minutes, or until the custard is set and the top is lightly golden brown.
Step 5: Cool and Serve
Allow your bars to cool completely before cutting them into squares. Enjoy these Rhubarb Custard Bars as a sweet treat at any occasion!
How to Serve Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
Rhubarb Custard Bars are a delightful treat that can be enjoyed in various ways. Whether serving them at a family gathering or enjoying them as a sweet snack, these bars are sure to please everyone. Here are some creative serving suggestions to elevate your dessert experience.
With Fresh Whipped Cream
- Top each bar with a dollop of fresh whipped cream for added creaminess and flavor.
Accompanied by Vanilla Ice Cream
- Serve warm Rhubarb Custard Bars with a scoop of vanilla ice cream to create a delicious contrast of temperatures.
Drizzled with Caramel Sauce
- Add a drizzle of caramel sauce on top for an extra touch of sweetness and richness.
Paired with Fresh Berries
- Garnish the bars with fresh strawberries or raspberries to enhance their tangy flavor profile.
Enjoyed with a Cup of Tea or Coffee
- Pair these bars with your favorite tea or coffee for a delightful afternoon treat.

How to Perfect Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
Perfecting Rhubarb Custard Bars is easy with just a few simple tips. Follow these guidelines to ensure your bars turn out perfectly every time.
- Use Fresh Rhubarb: Fresh rhubarb will provide the best flavor and texture compared to frozen options.
- Chill the Dough: Allow the crust to chill for 30 minutes before baking for a flakier result.
- Monitor Baking Time: Keep an eye on the custard while baking; it should be set but slightly jiggly in the center when done.
- Let Them Cool Completely: Cooling the bars completely before cutting helps achieve clean slices and enhances flavor.
Best Side Dishes for Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
Rhubarb Custard Bars pair well with various side dishes that complement their sweet and tangy flavors. Here are some excellent options to consider.
- Greek Yogurt: A dollop of plain Greek yogurt adds creaminess and balances the sweetness.
- Fruit Salad: A fresh fruit salad brings out the tanginess of the rhubarb and adds color.
- Cheese Platter: Include soft cheeses like brie or goat cheese for a savory contrast.
- Nut Mix: A mix of roasted nuts provides crunch that pairs beautifully with the soft texture of the bars.
- Chocolate Sauce: Drizzling chocolate sauce over the bars can add an indulgent twist.
- Homemade Lemonade: Serve alongside refreshing lemonade for a bright, zesty drink option.
Common Mistakes to Avoid
When making Rhubarb Custard Bars, it’s easy to make a few common mistakes. Here are some tips to ensure your dessert turns out perfectly.
- Using fresh rhubarb: Make sure to use fresh, vibrant rhubarb for the best flavor. Old or wilted rhubarb can result in a less tangy taste.
- Overmixing the custard: Whisk the custard ingredients just until combined. Overmixing can introduce air bubbles that affect the texture.
- Not cooling completely: Allow your bars to cool fully before cutting. This helps them set properly and makes slicing easier.
- Skipping the greasing step: Always grease your baking dish well. This prevents sticking and ensures easy removal of the bars once baked.
- Using the wrong pan size: Stick to a 9×13-inch baking dish for even baking. A different size may alter cooking times and results.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Rhubarb Custard Bars in an airtight container.
- They will last for up to 5 days in the refrigerator.
Freezing Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
- Wrap individual squares in plastic wrap and then place them in a freezer-safe container.
- These bars can be frozen for up to 3 months.
Reheating Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
- Oven: Preheat to 350°F (175°C) and warm for about 10 minutes until heated through.
- Microwave: Heat individual squares on medium power for about 30 seconds or until warm.
- Stovetop: Place a square in a non-stick pan over low heat, covering it with a lid until warmed.
Frequently Asked Questions
Here are some common questions about making Rhubarb Custard Bars.
Can I use frozen rhubarb for Rhubarb Custard Bars?
Yes, you can use frozen rhubarb. Just thaw it and drain any excess liquid before adding it to the custard mixture.
What can I serve with Rhubarb Custard Bars?
These bars pair wonderfully with whipped cream or vanilla ice cream for added sweetness and creaminess.
How do I know when my custard is set?
The custard should be firm in the center but slightly jiggles when gently shaken. The top will also have a light golden color.
Can I customize my Rhubarb Custard Bars?
Absolutely! You can add spices like cinnamon or nutmeg, or mix in other fruits like strawberries or blueberries for added flavor.
Final Thoughts
Rhubarb Custard Bars are a delightful blend of sweet and tangy flavors that make them perfect for any occasion. Their creamy texture allows for various customization options, whether you want to add extra fruit or spices. Don’t hesitate to try this recipe; it’s sure to impress family and friends alike!
Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight
Indulge in the delightful taste of Rhubarb Custard Bars: A Sweet and Tangy Dessert Delight. This irresistible treat combines the tartness of fresh rhubarb with a luscious, creamy custard filling, creating a perfect balance of flavors. Ideal for family gatherings or cozy evenings, these bars are not only easy to make but also sure to impress your guests. Serve them warm with a scoop of vanilla ice cream or topped with whipped cream for an extra indulgence. With their beautiful golden layer and vibrant color, these bars are as pleasing to the eye as they are to the palate.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Total Time: 1 hour 15 minutes
- Yield: Approximately 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 2 cups all-purpose flour
- 1/4 cup granulated sugar
- 1 cup cold butter, cubed
- 3 large eggs
- 2 cups granulated sugar
- 1/2 cup all-purpose flour
- 1/2 tsp salt
- 1 cup heavy cream
- 5 cups rhubarb, diced
Instructions
- Preheat your oven to 350°F (175°C).
- For the crust, mix together flour and sugar in a bowl; cut in butter until crumbly. Press into a greased 9×13-inch baking dish and bake for 10 minutes.
- In another bowl, whisk eggs, sugar, flour, salt, and heavy cream until smooth; fold in diced rhubarb.
- Pour custard mixture over the baked crust and bake for an additional 40-45 minutes until set.
- Allow cooling completely before cutting into squares.
Nutrition
- Serving Size: 1 bar (70g)
- Calories: 230
- Sugar: 21g
- Sodium: 123mg
- Fat: 13g
- Saturated Fat: 8g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 27g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 82mg



