Ingredients

The following ingredients have 10 Servings
  • 2 medium sweet potatoes
  • 1/2 package(s) refrigerated pie crusts (15 oz package)
  • 4 tablespoon(s) butter, unsalted melted
  • 2 tablespoon(s) fresh lemon juice
  • 1/2 teaspoon(s) freshly grated nutmeg
  • 1/2 teaspoon(s) ground cinnamon
  • 1/2 teaspoon(s) kosher salt
  • 3 large eggs, separated
  • 1 1/2 cup(s) sugar
  • 2 tablespoon(s) all-purpose flour
  • 3/4 cup(s) buttermilk

Instruction

  • Bake potatoes at 400 degrees for 1 hour or until tender.
  • Cool 10 minutes. Increase oven temperature to 450 degrees.
  • Fit pie crust into a 9-inch pie plate.
  • Fold edges under and crimp.
  • Prick bottom and sides of pie crust with a fork.
  • Bake at 450 for 9-11 minutes or until lightly browned. Reduce oven temperature to 375.
  • Cut potatoes in half lengthwise.
  • Scoop out sweet potatoes into a medium bowl.
  • Mash until smooth.
  • Stir in butter and next 4 ingredients until well combined.
  • Whisk egg yolks until thick and pale.
  • Add sugar and whisk 1 1/2 minutes or until lemon-yellow color.
  • Stir egg yolk mixture into sweet potato mixture until well blended.
  • Add flour 1 tsp at a time; stirring until blended after each addition. Add buttermilk and stir until combined.
  • Whisk egg whites in a bowl until soft peaks form.
  • Gently fold into sweet potato mixture until blended.
  • Spoon sweet potato mixture into pie crust.
  • Bake at 375 for 35-40 minutes or until center is set.
  • Let cool on a wire rack for 1 1/2 hours or until completely cool. Or, cover with plastic wrap and chill for 8 hours. Serve at room temperature. Serve with desired toppings.