Rhubarb Meringue Pie with Silky Custard Filling

The Tart, Toasty Spring Dessert You Have Been Missing

If you grew up with rhubarb growing in the backyard, this pie will feel like a memory. If you are new to rhubarb entirely, welcome to one of the most underrated ingredients in the dessert world. Rhubarb Meringue Pie combines a silky, tangy custard filling made from fresh rhubarb with a cloud of toasted meringue sitting on a perfectly baked, buttery crust. It is vibrant, it is a little dramatic, and it tastes absolutely stunning.

This is the kind of dessert that earns you compliments at the table before anyone has even taken a bite.

Why Rhubarb Deserves the Spotlight

Rhubarb has a sharp, almost citrus-like tartness that softens beautifully when cooked with sugar. Unlike fruit pies that rely on a heavy hand of spices to taste interesting, rhubarb custard filling is naturally complex. It is bright and jammy with a depth that pairs perfectly with the sweetness of classic meringue.

The filling in this recipe cooks down on the stovetop before going into the pie shell, which means you get full control over the texture. No watery, underset filling here. The egg yolks and flour create a custard that is thick, smooth, and scoopable with clean edges.

Chef's Tip: The key to a non-weeping meringue is spreading it directly over hot filling. The heat from below gently cooks the underside of the meringue, preventing that dreaded watery layer from forming between the two components.

Getting the Meringue Right

Meringue intimidates a lot of home bakers, but it is far more forgiving than its reputation suggests. A few non-negotiables:

• Room temperature egg whites whip to a much greater volume than cold ones.
• A grease-free bowl is essential. Even a trace of fat will prevent the whites from whipping properly.
• Add sugar gradually, one tablespoon at a time, so it fully dissolves into the whites before the next addition goes in.
• Stiff, glossy peaks are your target. The meringue should hold a firm peak when you lift the beater, and it should look shiny, not dull or grainy.

Once you hit that glossy stiff peak stage, work quickly. Meringue is best applied and baked immediately.

The Tools That Make a Real Difference

For a pie like this, having a reliable hand mixer or stand mixer is genuinely worth it. Whipping meringue by hand is exhausting and rarely produces the same stable, glossy result. A good saucepan with even heat distribution also prevents the rhubarb custard from scorching while it thickens.

Tools & Ingredients We Recommend

Mixing Bowls

Small Bowls Set

Sharp Kitchen Knife

Tips for Picking and Prepping Your Rhubarb

Look for stalks that are firm and brightly colored, whether they are deep red or pale green. Both taste equally good once cooked. Avoid stalks that are limp or very thin. Always discard the leaves, which are toxic and not edible.

For this recipe, you will cut the rhubarb into roughly half-inch pieces so it cooks down evenly in the saucepan. No need to peel it.

Ready to make this showstopper? Here is the full recipe with all the details:

Rhubarb Meringue Pie with Silky Custard Filling

This Rhubarb Meringue Pie features a tangy, velvety rhubarb custard nestled in a buttery crust and crowned with billowy, toasted meringue. It is the ultimate spring dessert that balances tart and sweet in every single bite.

Prep:30 mins

Cook:55 mins

Total:85 mins

Yield:8 servings

Cuisine:American

Yield: 8 servingsCalories: 310Protein: 5g

Carbs: 48gFat: 11gSat. Fat: 5gFiber: 1gSugar: 34gSodium: 180mg

Ingredients

Units

USM

Scale

1x2x3x

• 1 pre-baked 9-inch pie shell, store-bought or homemade, fully blind-baked and cooled
• 3 cups fresh rhubarb, trimmed and cut into 0.5-inch pieces
• 1 1/4 cups granulated sugar, divided: 1 cup for filling, 0.25 cup for meringue
• 3 tbsp all-purpose flour, for thickening the filling
• 3 large egg yolks, reserve the whites for the meringue
• 1/2 cup whole milk
• 2 tbsp unsalted butter, cut into small cubes
• 1/2 tsp vanilla extract
• 3 large egg whites, at room temperature for maximum volume
• 1/4 tsp cream of tartar, stabilizes the meringue
• 1/4 cup granulated sugar, for the meringue topping
• 1/8 tsp salt, for the meringue

Instruction

1

Preheat your oven to 325 degrees F (165 degrees C). Make sure your blind-baked pie shell is fully cooled before adding the filling.

2

In a medium saucepan over medium heat, combine the rhubarb pieces with 1 cup of granulated sugar. Cook, stirring occasionally, for about 8 to 10 minutes until the rhubarb breaks down completely and becomes very soft and saucy.

3

In a small bowl, whisk together the flour, egg yolks, and milk until completely smooth with no lumps.

4

Slowly pour the egg yolk mixture into the hot rhubarb mixture while whisking constantly. Return the pan to medium heat and cook, stirring continuously, for 4 to 5 minutes until the filling thickens noticeably and begins to bubble.

5

Remove from heat. Stir in the butter cubes and vanilla extract until the butter is fully melted and incorporated. Pour the filling into the cooled pie shell and spread it into an even layer.

6

To make the meringue, place the egg whites, cream of tartar, and salt in a clean, grease-free bowl. Beat with a hand mixer or stand mixer on medium speed until foamy, about 1 minute.

7

Increase speed to high and gradually add the 0.25 cup of sugar, one tablespoon at a time, beating for about 30 seconds between each addition. Continue beating until stiff, glossy peaks form and the sugar is fully dissolved, about 4 to 5 minutes total.

8

Immediately spread the meringue over the hot rhubarb filling, making sure it touches and seals against the crust edge all the way around. This prevents the meringue from shrinking. Use the back of a spoon to swirl and create decorative peaks.

9

Bake at 325 degrees F for 20 to 25 minutes, until the meringue peaks are a deep golden brown.

10

Remove from the oven and let the pie cool completely at room temperature for at least 2 hours before slicing. Refrigerate any leftovers.

Equipment

• 9-inch pie dish
• Medium saucepan
• Stand mixer or hand mixer
• Large mixing bowl
• Whisk
• Rubber spatula
• Measuring cups and spoons

Notes

Store leftover pie loosely covered in the refrigerator for up to 3 days. Meringue pies do not freeze well as the meringue weeps and becomes rubbery. For the cleanest slices, use a sharp knife dipped in warm water and wiped clean between each cut. The filling must be hot when you top it with meringue so the bottom of the meringue cooks through and does not form a watery layer.

Pin This RecipePrint Recipe

Serving and Storing Your Pie

This pie is best served at room temperature or lightly chilled, sliced with a sharp knife that you dip in warm water between cuts for clean, picture-perfect slices.

It keeps beautifully in the refrigerator for up to 3 days, loosely covered. Avoid wrapping it tightly, as trapped condensation will cause the meringue to weep faster.

Pair a slice with a small scoop of vanilla bean ice cream or a dollop of lightly sweetened whipped cream for a truly special dessert plate. A warm cup of black tea alongside does not hurt either.