If you are craving a dessert that perfectly captures the tangy brightness of spring with a comforting homemade feel, this Classic Rhubarb Pie Recipe is exactly what you need. Combining the vibrant tartness of fresh rhubarb with just the right balance of sweetness, wrapped in a flaky, buttery crust, this pie offers a nostalgic slice of American tradition. Every bite delivers a wonderful harmony of flavors and textures that make this pie an absolute favorite to share with family and friends on any occasion.

Ingredients You’ll Need
Gathering simple, fresh ingredients is the secret to nailing this Classic Rhubarb Pie Recipe. Each component plays an essential role, from providing structure and sweetness to enhancing flavor and texture.
- Double pie crust (homemade or store-bought): This forms the flaky, golden base and top that encase the luscious filling.
- 5 cups fresh rhubarb, sliced into 1/2-inch pieces: The star ingredient, offering a tangy, juicy punch and vibrant color.
- 1 1/4 cups granulated sugar: Sweetens the tart rhubarb just enough while helping to set the filling.
- 1/4 cup all-purpose flour: Acts as a binder to thicken the filling and keep it from becoming too runny.
- 1 tablespoon cornstarch: Adds extra thickening power for a perfectly holding filling.
- 1/2 teaspoon ground cinnamon: Introduces a warm, subtle spice that complements the fruit beautifully.
- 1/4 teaspoon salt: Enhances all the flavors and balances sweetness.
- 1 teaspoon vanilla extract: Adds a lovely aromatic depth to the filling.
- 1 tablespoon lemon juice: Brightens the flavors and accentuates the rhubarb’s natural tartness.
- 1 tablespoon butter, cut into small pieces: Dotting the filling with butter enriches the taste and adds silkiness.
- 1 egg beaten with 1 tablespoon water for egg wash: Creates a glossy, golden crust that looks irresistible.
- 1 tablespoon coarse sugar for topping: Sprinkled on top for a delightful crunch and sparkle.
How to Make Classic Rhubarb Pie Recipe
Step 1: Prepare the Oven and Pie Crust
Start by preheating your oven to 400°F to ensure it’s hot and ready. Roll out one of your pie crusts carefully to fit a 9-inch pie dish. This will be your beautiful base, so take your time to press it evenly into the pan with a little overhang for crimping later. The flaky crust is your canvas for the vibrant filling to come.
Step 2: Mix the Filling
In a large bowl, toss together your sliced fresh rhubarb with granulated sugar, all-purpose flour, cornstarch, ground cinnamon, salt, vanilla extract, and lemon juice. Make sure every piece is evenly coated; this blend balances out the natural tartness of the rhubarb while thickening the juicy filling, ensuring every forkful is packed with flavor and the perfect consistency.
Step 3: Assemble the Pie
Pour the rhubarb filling into your prepared pie crust, distributing it evenly. Dot the top of the filling with small pieces of butter. This little extra step adds richness and velvety pockets of flavor as it bakes. Then, roll out your second pie crust as either a solid top or cut it into strips to create a charming lattice design. Trim any excess dough and crimp the edges to seal your masterpiece, preventing any filling leaks during baking.
Step 4: Finishing Touches
Brush the top crust with the egg wash made from beaten egg and water, which will give your pie that glossy, golden finish. Sprinkle coarse sugar over the surface for a delicate crunch and sparkling appearance. If using a solid top crust, be sure to cut small slits to let steam escape, which keeps your pie from getting soggy.
Step 5: Bake the Pie
Place the pie in the oven and bake at 400°F for 20 minutes to set the crust and start caramelizing the sugars. After that, lower the temperature to 350°F and bake for an additional 35 to 40 minutes. The filling should be bubbling, and the crust a gorgeous golden brown. If the edges brown too quickly, gently cover them with foil to prevent burning. Remember, patience pays off—let your Classic Rhubarb Pie Recipe cool for at least two hours before slicing to allow the filling to fully set.
How to Serve Classic Rhubarb Pie Recipe

Garnishes
A scoop of vanilla ice cream or a dollop of freshly whipped cream pairs beautifully with this pie, balancing the tangy sweetness with creamy richness. Fresh mint leaves or a light dusting of powdered sugar can also add a pretty, inviting touch on the plate.
Side Dishes
This pie makes a wonderful ending to a spring or summer meal. Serve alongside a cup of strong coffee or a delicate herbal tea such as chamomile or mint to complement the pie’s bright flavors without overwhelming the palate. For a more festive touch, a glass of cold milk or a chilled Riesling can elevate the experience.
Creative Ways to Present
Consider serving your Classic Rhubarb Pie Recipe in individual mini pie tins or converted into hand pies for an easy-to-share treat. Alternatively, cut into neat wedges and arrange on a rustic wooden board with seasonal fruit for a natural, farm-to-table vibe that will wow guests.
Make Ahead and Storage
Storing Leftovers
Classic Rhubarb Pie Recipe leftovers keep wonderfully in the refrigerator when covered loosely with foil or plastic wrap. It’s best enjoyed within 3 to 4 days to maintain freshness and texture. Keeping it chilled helps keep the filling firm and the crust crisp.
Freezing
You can freeze the pie either baked or unbaked. For baked pie, wrap it tightly in plastic wrap and aluminum foil to protect from freezer burn, and store for up to 2 months. If freezing unbaked, assemble the pie fully, then wrap and freeze. Thaw overnight in the fridge before baking as usual.
Reheating
Reheat slices gently in a preheated 350°F oven for 15 to 20 minutes to revive the flaky crust and warm the filling without drying it out. Avoid microwaving, which can make the crust soggy.
FAQs
Can I substitute frozen rhubarb for fresh in this Classic Rhubarb Pie Recipe?
While fresh rhubarb is ideal for the best texture and flavor, you can use frozen rhubarb as a substitute. Just be sure to thaw and drain it well to prevent excess moisture from making the pie soggy.
What is the purpose of using both flour and cornstarch in the filling?
Flour adds body and a tender texture, while cornstarch is a powerful thickener that helps the filling set firmly, resulting in that perfect slice that holds together.
How can I prevent the pie crust edges from burning?
If the edges brown too fast during baking, cover them with strips of foil or a pie crust shield halfway through baking to keep them from burning while the rest cooks evenly.
Is the cinnamon necessary in this rhubarb pie recipe?
Cinnamon is optional but highly recommended as it adds a touch of warmth and spice that beautifully balances the tartness, making the pie’s flavor profile more complex and inviting.
Can I make this pie ahead of time?
Absolutely! You can prepare the pie up to the baking step, then refrigerate it overnight and bake it fresh the next day, which can deepen the flavors and save you time on serving day.
Final Thoughts
Making this Classic Rhubarb Pie Recipe is like inviting a cherished tradition into your kitchen, filled with bright, tangy flavors and a flaky crust that brings comfort with every bite. Whether you’re a seasoned pie baker or trying your hand at baking for the first time, this recipe is approachable and rewarding. I encourage you to whip up this pie soon—it’s a true crowd-pleaser that will have everyone asking for seconds and reminiscing about the joys of homemade desserts.
Print
Classic Rhubarb Pie Recipe
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Total Time: 1 hour 15 minutes
- Yield: 8 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
A Classic Rhubarb Pie featuring a flaky double crust filled with a sweet and tangy rhubarb mixture, lightly spiced with cinnamon and brightened with lemon juice. Perfectly baked to a golden brown, this American dessert is ideal for spring and summer gatherings.
Ingredients
Pie Crust
- 1 double pie crust (homemade or store-bought)
Filling
- 5 cups fresh rhubarb, sliced into 1/2-inch pieces
- 1 1/4 cups granulated sugar
- 1/4 cup all-purpose flour
- 1 tablespoon cornstarch
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon salt
- 1 teaspoon vanilla extract
- 1 tablespoon lemon juice
- 1 tablespoon butter, cut into small pieces
Topping
- 1 egg, beaten with 1 tablespoon water for egg wash
- 1 tablespoon coarse sugar for topping
Instructions
- Preheat Oven: Preheat your oven to 400°F (200°C) to prepare for baking the pie.
- Prepare Pie Crust: Roll out one pie crust and fit it snugly into a 9-inch pie dish, ensuring it covers the bottom and sides evenly.
- Make Filling: In a large bowl, combine sliced rhubarb, granulated sugar, flour, cornstarch, cinnamon, salt, vanilla extract, and lemon juice. Stir until all ingredients are evenly coated and well mixed.
- Assemble Pie: Pour the rhubarb filling into the prepared crust. Dot the filling with small pieces of butter to add richness.
- Top Crust: Roll out the second pie crust and either place it whole over the filling or cut it into strips to create a lattice design. Trim the edges and crimp them to seal the pie securely.
- Apply Egg Wash: Brush the top crust with the beaten egg wash for a shiny, golden finish. Sprinkle coarse sugar evenly over the top for extra crunch and sweetness. If using a full crust, cut small slits to allow steam to escape during baking.
- Bake Pie: Place the pie in the oven and bake at 400°F for 20 minutes. Then reduce the oven temperature to 350°F (175°C) and bake for an additional 35 to 40 minutes until the filling is bubbling and the crust is golden brown.
- Cool: Remove the pie from the oven and allow it to cool completely for at least 2 hours before slicing, which helps the filling to set properly and prevents it from being runny.
Notes
- If the crust edges brown too quickly, cover them with foil to prevent burning.
- For a sweeter variation, substitute part of the rhubarb with fresh strawberries.
- Allow the pie to cool fully before serving to ensure the filling is set and slices neatly.

