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+ servings
a close up photo of a slice or sour orange pie with creamy custard in a graham cracker crust with piped whipped cream on top decorated with orange slices

Sour Orange Pie

Sour orange pie is a traditional Florida citrus custard pie made with sour orange juice. Prepared like key lime pie, it has a creamy texture and a bright, tangy flavor balanced by a graham cracker crust.
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Prep Time 5 minutes
Cook Time 25 minutes
Total Time 28 minutes
Course Dessert
Cuisine American
Servings 1 9" Pie

Ingredients
  

Key Lime Pie

  • 28 oz Sweetened Condensed Milk (795g)
  • 1 cup Sour Orange Juice (237mL) see recipe notes
  • 5 Egg Yolks
  • 1 tsp Sour Orange Zest

Whipped Cream

  • cups Heavy Whipping Cream (355mL)
  • ¼ cup Powdered Sugar, sifted (30g)
  • ½ tsp Vanilla Extract

Instructions
 

Make the Key Lime Pie

  • Preheat your oven to 325°F (165°C).
  • In a large mixing bowl, combine the sweetened condensed milk and egg yolks. Mix until fully combined.
  • Add the sour orange juice, and once again mix until fully combined.
  • Pour the filling into your prepared graham cracker crust.
  • Bake for 25 to 30 minutes, or until very tiny cracks begin to appear around the edges of the pie.
  • Chill the pie for at least 3 hours in the refrigerator so the filling can fully set before serving.

Finish with Whipped Cream

  • In a stand mixer fitted with the whisk attachment, combine the cold heavy cream, sifted powdered sugar, and vanilla extract. Whip on medium-high speed until stiff peaks form and the cream holds its shape.
  • Spread the whipped cream evenly over the chilled sour orange pie using an offset spatula or the back of a spoon. For a more decorative look, transfer it to a piping bag and pipe rosettes or swirls across the top.

Notes

Some Notes on Sour Oranges:
  • Sour oranges are sometimes sold as Seville oranges, marmalade oranges, or bitter oranges.
  • Sour oranges have less juice than navel oranges. You'll need about 8 oranges to yield the 1 cup of sour orange juice for this recipe.
  • If you can't find sour oranges, you can substitute a mixture of 1/2 cup of orange juice, 1/4 cup of lemon juice, and 1/4 cup of grapefruit juice.
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