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Rhubarb Pie Filling Recipe

Rhubarb Pie Filling

iamwinfred
This rhubarb pie filling is the one I come back to every single spring. It is sweet, tangy, and just thick enough to hold together in a slice without turning soupy. A little sugar, a little cornstarch, and a short simmer on the stovetop is really all it takes to tame its sharp tartness into something jammy and irresistible.
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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Course Dessert
Cuisine American
Servings 8 slices
Calories 110 kcal

Equipment

  • Sharp chef's knife
  • Cutting board
  • Large mixing bowl
  • Medium saucepan Enameled recommended
  • Wooden spoon or silicone spatula
  • Measuring cups and spoons

Ingredients
  

  • 2 pounds fresh rhubarb about 900g, trimmed and chopped into 1/2-inch pieces
  • 1 cup granulated sugar 200g, adjust to taste
  • 1/4 cup cornstarch 30g
  • 2 tablespoons fresh lemon juice 30ml
  • 1/4 teaspoon ground cinnamon optional
  • 1/4 teaspoon salt
  • 2 tablespoons unsalted butter 28g, cut into small pieces
  • 1 teaspoon vanilla extract 5ml

Instructions
 

  • Wash rhubarb stalks, trim leafy tops and woody ends, then chop into 1/2-inch pieces.
  • In a small bowl, whisk together sugar, cornstarch, cinnamon, and salt until combined.
  • Pour dry mixture over rhubarb, add lemon juice, and toss to coat evenly. Let sit for 10-15 minutes to draw out juices.
  • Transfer mixture to a saucepan and cook over medium heat for 8-10 minutes, stirring frequently, until glossy and thickened.
  • Remove from heat, stir in butter and vanilla until fully incorporated. Cool before using or storing.

Notes

  • Choose firm, brightly colored rhubarb stalks for the best flavor. Limp or dull stalks tend to be less flavorful.
  • Do not skip the resting step after tossing rhubarb with sugar — it helps draw out excess liquid for a thicker filling.
  • Stir constantly once the mixture hits the heat to prevent scorching, as sugar-based fillings burn easily.
  • Let the filling cool before pouring it into a raw pie shell to avoid a soggy bottom crust.
  • Taste before baking and add a touch more sugar if your rhubarb is especially tart.
  • Use a glass or ceramic bowl for tossing the rhubarb, as acidity can react with certain metals and leave a metallic taste.
  • If your rhubarb releases a lot of liquid during resting, drain off a couple of tablespoons before cooking so the filling thickens faster.
  • Refrigerate cooled filling in an airtight container for up to 4 days, or freeze for up to 3 months.
  • For a strawberry rhubarb variation, swap half the rhubarb for sliced strawberries.

Nutrition

Serving: 1sliceCalories: 110kcalCarbohydrates: 23gProtein: 1gFat: 2gSaturated Fat: 1gCholesterol: 5mgSodium: 50mgPotassium: 150mgFiber: 1gSugar: 18gVitamin A: 4IUVitamin C: 8mgCalcium: 4mgIron: 2mg
Keyword freezer friendly, homemade pie filling, rhubarb pie filling, spring dessert
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