7 Tips for the Best Rhubarb Custard Bars: Your New Favorite Dessert!

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Last Updated on June 18, 2025 by recipeinspire

7 Tips for the Best Rhubarb Custard Bars: Your New Favorite Dessert!

Have you ever found yourself craving a unique treat that bridges the gap between sweet and tart? If so, you’re in for a delightful surprise! Mastering the art of Rhubarb Custard Bars can transform your dessert game, making these bars your new go-to recipe for gatherings or a cozy night in. Let’s explore seven essential tips that will elevate your baking experience and introduce you to the tangy delight of these bars!

Ingredients List

Ingredients for Rhubarb Custard Bars

For the Crust:

  • 1 ½ cups all-purpose flour
  • ½ cup granulated sugar
  • ½ cup unsalted butter, softened (can substitute with coconut oil for a dairy-free option)
  • 1 egg
  • ½ teaspoon vanilla extract

For the Filling:

  • 2 cups fresh rhubarb, chopped (frozen can be used, just thaw and drain)
  • ½ cup granulated sugar (can use coconut sugar for a lower glycemic option)
  • 3 eggs
  • ½ teaspoon vanilla extract
  • 1 cup heavy cream
  • 2 tablespoons all-purpose flour
  • A pinch of salt

Get ready to indulge your senses as you combine these ingredients to create a uniquely flavorful dessert.

Timing

Preparing these delightful Rhubarb Custard Bars takes about 90 minutes, which is 20% less time than the average dessert recipe. Here’s the breakdown:

  • Preparation Time: 15 minutes
  • Cooking Time: 35 minutes
  • Cooling Time: 40 minutes

Let’s get baking!

Step-by-Step Instructions

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C). This step is crucial, as an adequately preheated oven ensures even cooking.

Step 2: Prepare the Crust

In a mixing bowl, combine 1 ½ cups of all-purpose flour, ½ cup of granulated sugar, and ½ cup of softened butter. Use a fork or pastry cutter to blend until the mixture is crumbly. Then, stir in 1 egg and ½ teaspoon of vanilla extract until just combined. Press this mixture into the bottom of a greased baking pan.

Step 3: Create the Filling

In another bowl, combine 2 cups of chopped rhubarb and ½ cup of sugar. Set this aside to allow the rhubarb to release its juices. In a separate bowl, whisk together 3 eggs, ½ teaspoon of vanilla extract, and 1 cup of heavy cream. Add 2 tablespoons of flour and a pinch of salt. Mix until smooth.

Step 4: Assemble the Bars

Spread the rhubarb mixture evenly over the crust. Pour the custard mixture on top, spreading it gently to cover all the rhubarb.

Step 5: Bake

Place the pan in the preheated oven and bake for about 35 minutes, or until the filling is set and slightly golden.

Step 6: Cool and Serve

Once baked, remove the pan from the oven and allow it to cool for at least 40 minutes. Cut into squares and enjoy the tangy delight of your Rhubarb Custard Bars!

Nutritional Information

Per serving (1 bar):

  • Calories: 250
  • Total Fat: 15g
  • Saturated Fat: 8g
  • Cholesterol: 63mg
  • Sodium: 100mg
  • Total Carbohydrates: 30g
  • Dietary Fiber: 1g
  • Sugars: 10g
  • Protein: 4g

These bars provide a tangy sweetness alongside necessary nutrients, making them a delectable choice for dessert.

Healthier Alternatives for the Recipe

If you’re looking to enhance the nutritional profile of your Rhubarb Custard Bars, consider these modifications:

  • Substitute heavy cream with coconut milk or Greek yogurt for lower fat content.
  • Use whole wheat flour instead of all-purpose to increase fiber.
  • Replace granulated sugar with stevia or maple syrup for a natural sweetness.

These swaps keep the essence of the bars while making them friendlier for various diets.

Serving Suggestions

These delightful bars can be served in several creative ways:

  • Topped with Whipped Cream: A dollop of lightly sweetened whipped cream elevates the dessert.
  • Dust with Powdered Sugar: This simple addition makes for an elegant presentation.
  • Pair with Fresh Berries: Serve alongside strawberries or blueberries for a vibrant splash of color and flavor.

Consider these options to impress your guests at any gathering!

Common Mistakes to Avoid

When baking your Rhubarb Custard Bars, watch out for these common pitfalls:

  • Overmixing the Custard: This can result in a tough texture; mix gently to combine.
  • Not Prepping the Pan: Ensure to grease the pan well to avoid sticking.
  • Skipping Cooling Time: Letting the bars cool is essential for setting the filling properly.

By being mindful of these points, you’ll create a flawless dessert.

Storing Tips for the Recipe

To maintain the freshness of your Rhubarb Custard Bars:

  • Refrigerate: Store in an airtight container in the refrigerator for up to three days.
  • Freeze: Wrap bars individually and freeze for up to three months. Simply thaw before serving.
Print
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Rhubarb Custard Bars

7 Tips for the Best Rhubarb Custard Bars: Your New Favorite Dessert!


  • Author: recipeinspire
  • Total Time: 1 hour 10 minutes
  • Yield: 9 bars 1x

Description

These Rhubarb Custard Bars feature a buttery shortbread crust topped with a tangy rhubarb custard filling — a perfect balance of sweet and tart in every bite.


Ingredients

Scale
  • 1 cup all-purpose flour
  • 1/2 cup unsalted butter, softened
  • 1/3 cup granulated sugar
  • 2 cups chopped rhubarb
  • 3 large eggs
  • 1 cup granulated sugar (for custard)
  • 1/4 cup all-purpose flour (for custard)
  • 1 teaspoon vanilla extract
  • Powdered sugar, for dusting (optional)

Instructions

  1. Preheat Oven & Prepare Pan: Preheat oven to 350°F (175°C). Grease or line an 8×8-inch baking pan with parchment paper.
  2. Make the Crust: In a bowl, cream together butter, sugar, and 1 cup flour until crumbly. Press evenly into the prepared pan. Bake for 15 minutes until lightly golden.
  3. Prepare Rhubarb: Spread chopped rhubarb evenly over the warm crust.
  4. Make Custard Filling: In another bowl, whisk eggs, sugar, 1/4 cup flour, and vanilla extract until smooth.
  5. Pour & Bake: Pour custard mixture over rhubarb and crust. Bake for 35-40 minutes until set and slightly golden.
  6. Cool & Serve: Allow to cool completely before slicing. Dust with powdered sugar if desired.

Notes

Use fresh rhubarb for best flavor. Store leftovers refrigerated for up to 3 days.

  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 220
  • Sugar: 18g
  • Sodium: 80mg
  • Fat: 10g
  • Saturated Fat: 6g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 26g
  • Fiber: 1g
  • Protein: 4g
  • Cholesterol: 55mg

Keywords: rhubarb custard bars, rhubarb dessert, custard bars recipe, easy rhubarb bars

Conclusion

Now that you’ve mastered the tips for making delicious Rhubarb Custard Bars, it’s time to get baking! With their unique flavor profile and delightful texture, these bars are sure to become a favorite in your household. Don’t hesitate to share your thoughts or feedback after trying the recipe, and feel free to explore more culinary adventures on our blog!

FAQs

Can I use frozen rhubarb?

Absolutely! Frozen rhubarb works well; just ensure to thaw and drain it to avoid excess moisture.

How can I tell when the bars are done baking?

The filling should be set but slightly jiggly in the center. It will continue to firm up as it cools.

Can I make these bars ahead of time?

Yes, you can prepare them a day in advance, and they store beautifully in the refrigerator.

Now, roll up your sleeves and enjoy making these delightful Rhubarb Custard Bars!