This delightful rhubarb custard pie is a classic dessert, perfect for showcasing the tartness of fresh rhubarb. The creamy custard filling complements the slightly sour rhubarb, creating a balanced and comforting treat that’s ideal for a spring or summer gathering.

If you’re looking for a dessert that’s both simple and impressive, a homemade rhubarb custard pie is an excellent choice. This recipe combines the tangy flavor of rhubarb with a rich, smooth custard, all encased in a flaky pie crust. It’s a true taste of summer!
Whether you’re new to baking or a seasoned pro, you’ll love this recipe for rhubarb custard pie. It’s a delightful dessert that’s perfect for showcasing the season’s freshest ingredients. The combination of tart rhubarb and creamy custard is a match made in heaven.
This recipe creates a stunning pie, and if you are looking for more tasty treats, you can find a wide variety of sweet pie recipes to enjoy.
Ingredients You’ll Need
Before you dive into baking, gather all your ingredients. This ensures a smooth and efficient cooking process. Measuring ingredients accurately is key to a perfect rhubarb custard pie. Having everything ready will also make the baking experience more enjoyable!
For the Pie Crust:
- 2 1/2 cups all-purpose flour
- 1 teaspoon salt
- 1 cup (2 sticks) cold unsalted butter, cut into cubes
- 1/2 cup ice water
For a perfect pie, you can also use a store-bought pie crust if you are short on time. However, a homemade pie crust will always enhance the overall flavor and texture of your rhubarb pie recipe. If you are using a store-bought crust, make sure it is of good quality.
For the Rhubarb Filling:
- 4 cups fresh rhubarb, chopped into 1/2-inch pieces
- 1 cup granulated sugar
- 2 tablespoons all-purpose flour
- 1 tablespoon lemon juice
Fresh rhubarb is the star of this pie. When selecting rhubarb, choose stalks that are firm and brightly colored. You can also mix in some strawberries to make a rhubarb and strawberry pie, which is a popular variation.
For the Custard Filling:
- 2 cups heavy cream
- 1 cup granulated sugar
- 1/4 cup all-purpose flour
- 4 large eggs
- 1 teaspoon vanilla extract
The custard filling is what makes this a custard pie recipe. Heavy cream ensures a rich and creamy texture. If you prefer a lighter custard, you can substitute half of the heavy cream with milk, but the texture might be slightly different.
How to Make Rhubarb Custard Pie

Making the Pie Crust
In a large bowl, whisk together the flour and salt. Add the cold, cubed butter and use a pastry blender or your fingers to cut the butter into the flour until the mixture resembles coarse crumbs. This step is crucial for a flaky crust.
Gradually add the ice water, a tablespoon at a time, mixing until the dough just comes together. Form the dough into a disc, wrap it in plastic wrap, and refrigerate for at least 30 minutes. Chilling the dough is essential to prevent it from shrinking during baking.
Preparing the Rhubarb Filling
In a bowl, combine the chopped rhubarb, sugar, flour, and lemon juice. Toss gently to coat the rhubarb evenly. The lemon juice brightens the flavor, and the flour helps to thicken the filling.
Let the rhubarb mixture sit for about 15 minutes to allow the rhubarb to release some of its juices. This pre-soaking step helps prevent a soggy pie crust. Feel free to add a pinch of cinnamon or nutmeg for extra flavor.
Making the Custard Filling
In a separate bowl, whisk together the heavy cream, sugar, and flour until smooth. Then, whisk in the eggs and vanilla extract until well combined. Be careful not to overmix the custard, as this can make it tough.
For a smoother custard, you can strain the mixture through a fine-mesh sieve. This step removes any lumps and ensures a silky texture. Remember, the quality of your ingredients directly impacts the final taste of your homemade custard.
Assembling the Pie
On a lightly floured surface, roll out the chilled pie crust into a 12-inch circle. Carefully transfer the crust to a 9-inch pie plate. Trim and crimp the edges of the crust for a decorative finish.
Pour the rhubarb filling into the pie crust, then gently pour the custard filling over the rhubarb. If you want a rhubarb tart, you can use a tart pan instead of a pie plate. This will give your dessert a different look.
Baking the Pie
Bake the pie in a preheated oven at 375°F (190°C) for 50-60 minutes, or until the crust is golden brown and the custard is set. If the crust starts to brown too quickly, you can cover the edges with foil. This will prevent over-browning.
The custard should jiggle slightly in the center when the pie is gently shaken. Let the pie cool completely on a wire rack before serving. Cooling is crucial for the custard to set properly, and this also adds to the best rhubarb pie experience.
Tips for a Perfect Rhubarb Custard Pie

Preventing a Soggy Crust
To prevent a soggy bottom crust, blind bake the crust for 15 minutes before adding the filling. This pre-baking step helps to create a barrier that prevents the filling from soaking into the crust. Another tip is to brush the bottom of the crust with a beaten egg before baking for a golden, crisp finish.
Another helpful tip is to ensure your filling isn’t too wet before pouring it into the crust. If the rhubarb releases too much liquid, drain some of it before assembling the pie. This will also help to achieve a more appealing texture.
Achieving the Right Custard Texture
For a smooth custard, make sure the eggs are well incorporated into the cream mixture without overmixing. Overmixing can result in a custard that is tough or curdled. Avoid using a whisk to mix the custard, as it could incorporate too much air.
Baking time is also crucial for the custard’s texture. The pie is done when the custard is set around the edges but still has a slight jiggle in the center. Check the pie at 50 minutes and add time as needed. If you prefer, a rhubarb crumble topping can be added for extra texture.
Flavor Enhancements
Enhance the flavor of your rhubarb pie by adding a pinch of ground ginger or cinnamon to the rhubarb filling. These spices complement the tartness of the rhubarb and add warmth. You can also add a teaspoon of almond extract to the custard for a subtle nutty flavor.
For a richer flavor, you can use brown sugar instead of granulated sugar in the rhubarb filling. Consider adding a layer of sweetened cream cheese to the bottom of the crust before adding the rhubarb. This will add a delightful tang. If you are looking for more rhubarb dessert recipes, you will never run out of ideas.
Variations and Serving Suggestions
This classic dessert offers many variations to suit your taste. For instance, you can combine rhubarb with other fruits like strawberries or raspberries. This creates a delightful mix of flavors, making it a perfect addition to your summer desserts.
Consider adding a crumble topping to the pie for added texture and sweetness. You can also make individual tartlets for easy serving. This makes it a perfect dessert to bring to a potluck or party. You can also experiment with a rhubarb sauce to add an extra layer of flavor.
If you have any leftover pie crust, you can make some delicious, buttery lemon poppy seed cookies.
Make-Ahead and Storage Tips

Making the Pie Ahead
You can prepare the pie crust and rhubarb filling a day or two in advance. Store the pie crust in the refrigerator, and the rhubarb filling in an airtight container. This will save you time on the day you plan to bake the pie.
Alternatively, you can assemble the entire pie and freeze it before baking. Wrap it tightly in plastic wrap and foil. Bake from frozen, adding extra baking time. A great make-ahead tip is to bake the crust ahead of time for extra convenience.
For a delightful twist, try making an apple crumble cake as a variation on your usual dessert options.
Storing the Pie
Store leftover rhubarb custard pie in the refrigerator, covered loosely, for up to 3 days. The custard can become slightly softer over time, but it will still taste delicious. Make sure the pie is completely cooled before storing it.
You can also freeze the baked pie for up to a month. Wrap it tightly in plastic wrap and foil to prevent freezer burn. Thaw the pie in the refrigerator overnight before serving. The easy rhubarb pie is perfect for making ahead.
Common Mistakes to Avoid
Overbaking the Crust
One common mistake is overbaking the pie crust, which can make it dry and tough. Watch the crust carefully during baking, and use a pie shield or foil to prevent over-browning. Pre-baking the crust can also help prevent this issue.
Another tip is to avoid overworking the pie dough, as this can develop the gluten and result in a tough crust. Handle the dough gently and chill it thoroughly before rolling it out. If you are looking for a pie crust recipe, check online for some great options.
Underbaking the Custard
Underbaking the custard can result in a runny filling. Ensure the custard is set around the edges and has a slight jiggle in the center. Use a thermometer to check the internal temperature, which should be around 175°F (80°C).
Be patient and don’t rush the baking process. If the crust starts to brown too quickly, you can cover it with foil. Properly baking the custard is essential for the perfect texture. If you want a gluten-free rhubarb pie, you can use gluten-free flour.
Serving Your Rhubarb Custard Pie
Serve your rhubarb custard pie slightly warm or at room temperature. A dollop of whipped cream or a scoop of vanilla ice cream complements the tartness of the rhubarb and the richness of the custard perfectly. This is one of the classic desserts.
Consider dusting the pie with powdered sugar for an elegant touch. Garnish with a few fresh rhubarb stalks for a beautiful presentation. If you love this pie, you can also consider making coconut macaroons for a different treat.
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rhubarb custard pie Recipe
- Total Time: PT1H45M
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
This classic Rhubarb Custard Pie recipe combines the tartness of rhubarb with a creamy, sweet custard, all encased in a buttery, flaky crust. It’s a perfect dessert for spring and summer, showcasing fresh rhubarb in a delightful way.
Ingredients
- 1 1/4 cups all-purpose flour
- 1/2 teaspoon salt
- 1/2 cup (1 stick) cold unsalted butter, cut into cubes
- 1/4 cup cold vegetable shortening, cut into cubes
- 4–6 tablespoons ice water
- 4 cups fresh rhubarb, chopped into 1/2-inch pieces
- 1 cup granulated sugar
- 1/4 cup all-purpose flour
- 1/4 teaspoon salt
- 3 large eggs
- 1 1/2 cups heavy cream
- 1 teaspoon vanilla extract
Instructions
- Prepare the Crust: In a large bowl, whisk together the flour and salt. Cut in the butter and shortening using a pastry blender or your fingers until the mixture resembles coarse crumbs. Gradually add ice water, mixing until the dough just comes together. Form into a disc, wrap in plastic wrap, and chill for at least 30 minutes.
- Preheat Oven and Prepare Rhubarb: Preheat oven to 375°F (190°C). On a lightly floured surface, roll out the chilled dough to fit a 9-inch pie plate. Transfer the dough to the pie plate and trim and crimp the edges.
- Make the Rhubarb Filling: In a bowl, combine the chopped rhubarb, sugar, flour, and salt. Toss to coat.
- Make the Custard: In a separate bowl, whisk together the eggs, heavy cream, and vanilla extract.
- Assemble and Bake: Pour the rhubarb mixture into the prepared pie crust. Gently pour the custard over the rhubarb. Bake for 50-60 minutes, or until the crust is golden brown and the custard is set. If the crust starts to brown too quickly, cover the edges with foil.
- Cool and Serve: Let the pie cool completely on a wire rack before slicing and serving. This allows the custard to set fully.
Notes
- For a flakier crust, make sure your butter and shortening are very cold.
- You can use a store-bought pie crust to save time.
- If your rhubarb is particularly tart, you can increase the sugar slightly.
- Serve the pie chilled or at room temperature.
- Prep Time: PT45M
- Cook Time: PT1H
- Category: Pies
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 420
- Sugar: 35g
- Fat: 25g
- Saturated Fat: 15g
- Carbohydrates: 45g
- Protein: 5g







