Sweet Potato Pie with marshmallow meringue topping Recipe

Ingredients

• 1 cup all-purpose flour
• ¼ cup powdered sugar
• Pinch of salt
• 1 stick cold unsalted butter (8 Tbsp.), cubed
• 4 oz. cold cream cheese, cubed
• 2 cups sweet potato purée (from 1 lb. baked sweet potatoes)
• 4 egg yolks (reserve whites for meringue topping)
• ¾ cup granulated sugar
• ¼ cup packed brown sugar
• ¼ cup evaporated milk
• 1 Tbsp. fresh lemon juice
• 1 tsp. pure vanilla extract
• 1 tsp. ground cinnamon
• ½ tsp. table salt
• ¼ tsp. ground nutmeg
• Minced zest of 1 lemon
• ¼ cup pineapple preserves
• 4 egg whites
• 10 oz. marshmallow creme (2½ cups)