Can I use frozen rhubarb for this pie?

Yes, but you must thaw it completely, then drain and pat the pieces thoroughly dry before macerating. Even well-dried frozen rhubarb tends to hold more moisture, so stir in an extra half-tablespoon of cornstarch before filling the shell. This tiny bump helps the filling set properly.

Why is my pie runny even after baking?

The two biggest culprits are skipping the maceration step and pulling the pie too early. If you don't drain the sugary liquid that pools from the fruit, it turns the filling into soup. Also, the center must bubble and hit 200°F (93°C) to fully thicken the cornstarch. Check the doneness section above for exact signs.

How do I stop the bottom crust from turning soggy?

Three things work together: dust the bottom of the pastry with a tablespoon of almond meal to absorb stray juices, macerate and drain the fruit to eliminate extra liquid, and chill the fully assembled pie for 30 minutes before it bakes. That final cold rest firms up the fat and keeps the base crisp.

Can I make it a day ahead?

Absolutely. Assemble the pie completely, wrap it tightly in plastic, and refrigerate for up to 24 hours before baking. Pop it straight from the fridge into a preheated 425°F oven; add 5–7 extra minutes to the bake time since it starts colder. The crust actually turns out flakier with this cold head start.

What apples hold up best in a mixed filling?

Stick to firm varieties that won't dissolve into mush. Granny Smith brings sharp, clean tartness, while Fuji, Honeycrisp, or Braeburn stay intact and add sweetness. Avoid Red Delicious or McIntosh, they soften into applesauce and make the filling watery. A 50/50 mix of tart and sweet is ideal.

Apple Rhubarb Pie: Easy Recipe with No Soggy Crust

Description

Sweet-tart pie with Fuji and Granny Smith apples, rhubarb, and a flaky butter-shortening double crust. A quick maceration step drains excess liquid, and almond meal absorbs remaining juices for a crisp bottom. Ready in 1 hour 45 minutes.

Ingredients

Scale

2 ½ cups (313g) all-purpose flour

1 teaspoon fine sea salt

1 tablespoon granulated sugar (for the crust)

¾ cup (170g) cold unsalted butter, cubed

¼ cup (48g) cold vegetable shortening

6–8 tablespoons ice water

3 cups (360g) sliced rhubarb (½-inch pieces)

3 cups (360g) peeled, sliced apples (use a mix of sweet Fuji and tart Granny Smith)

⅔ cup (135g) granulated sugar (for maceration)

1 tablespoon fresh lemon juice

3 tablespoons cornstarch

1 teaspoon ground cinnamon

1 tablespoon almond meal (for the bottom crust)

1 large egg, beaten with 1 tablespoon water (for egg wash)

1 tablespoon coarse sugar (for sprinkling)

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Instructions

1. Make the pie dough: combine flour, salt, and sugar. Cut in cold butter and shortening until pea-sized. Add ice water until dough forms. Divide into two discs, wrap, and chill for at least 30 minutes. Roll out one disc and line your pie pan. Chill the empty shell for 30 minutes.

2. Macerate the fruit: toss rhubarb, apples, ⅔ cup sugar, lemon juice, and cinnamon; let sit 15 minutes. Drain liquid. Stir in cornstarch. Fill the chilled shell, dot with butter, and top with the second crust. Crimp edges. Chill the assembled pie for 30 minutes.

3. Preheat oven to 425°F (220°C) with a rack in the lower third. Slide a foil-lined sheet pan onto the rack below to catch drips.

4. Brush the top crust with egg wash, avoiding puddles in the crimp. Sprinkle generously with coarse sugar. Place the pie on the prepared sheet pan and bake at 425°F for 15 minutes. Reduce oven temperature to 375°F (190°C) and continue baking 35 to 40 minutes, until deep golden and bubbling in the center. If edges brown too much, tent with foil.

5. Cool the pie on a wire rack for at least 3 hours before slicing, this allows the filling to set.

Notes

Store the pie at room temperature for up to 3 days, or freeze for up to 3 months. Reheat slices at 350°F for 10 minutes.

For the flakiest crust, keep butter and shortening ice-cold, and chill the dough for at least 30 minutes before rolling.

Don’t open the oven door during the first 20 minutes of baking, the sudden temperature drop can cause the crust to collapse.

Use a mix of sweet and tart apples: Fuji and Granny Smith hold their shape and balance the rhubarb’s tang.

Prep Time: 25 min
Rest Time: 30 min
Cook Time: 50 min
Category: Dessert
Method: Baking
Cuisine: American

Nutrition

Serving Size: 1 slice
Calories: 450 kcal
Sugar: 13 g
Sodium: 288 mg
Fat: 25 g
Saturated Fat: 13 g
Unsaturated Fat: 12 g
Trans Fat: 0 g
Carbohydrates: 50 g
Fiber: 3 g
Protein: 6 g
Cholesterol: 69 mg