Apple Pie with Frozen Vanilla Kefir -

Ingredients

• Apple Filling
• 8 cups peeled apples, sliced ¼-inch thick 6-8 apples, 3.5 pounds
• 2 tbsp Organic Whole Milk Plain Kefir
• 1 teaspoon vanilla extract
• ¼ cup all purpose flour
• ¼ cup to ½ cup granulated sugar (amount depending on how sweet you want your pie, see notes)
• ¼ cup brown sugar
• 1 teaspoon ground cinnamon
• ¼ teaspoon ground nutmeg
• ¼ teaspoon salt
• Pie Crust
• 2 ¼ cups all-purpose flour
• 1 tablespoon granulated sugar
• ½ teaspoon salt
• 1 cup (2 sticks) cold unsalted butter cut into cubes
• 7 tablespoons ice cold water
• Egg Wash
• 1 egg
• 1 tablespoon Plain Whole Milk Kefir
• coarse sugar or granulated sugar for sprinkling, optional