• Preheat oven to 400° Fahrenheit

To make the filling:

• Peel, core, and dice the apples into ¼" pieces. Place them in a large bowl and add the lemon juice, granulated sugar, vanilla extract, salt, all-purpose flour, nutmeg, and ground cinnamon. Stir well to combine. Set aside.

To prepare the puff pastry sheets:

• Working with one pastry sheet at a time (2 per box), unfold the thawed puff pastry sheets. Use a small amount of all-purpose flour and a rolling pin to gently press and roll each dough sheet into an approximate 12" x 12" square.
• Use a pizza wheel or paring knife to cut each rolled pastry sheet into four even squares that are approximately 6" x 6". Note - using 2 boxes will give you 18 each, 6"x6" squares.
• Make the egg wash by beating together the egg and 1 tablespoon of water.
• Brush a line of egg wash onto all four sides of the 6" squares. Add approximately 1½ tablespoons of the apple filling to one corner of each puff pastry squares, making sure to keep it from touching the egg wash line (if possible).
• Fold the empty side of the dough over the filling and gently press the egg wash edges together to adhere. Use the tines of a fork to press and secure the puff pastry dough edges before baking.
• Place the unbaked turnover triangles onto parchment-lined baking sheets and use a paring knife to cut a steam hole into the center of each turnover. Brush the remaining egg wash gently onto the top of each unbaked turnover.
• Bake in a preheated oven for 30-32 minutes, rotating the baking sheets halfway through the baking process.

  Remove the baked turnovers to a cooling rack to cool completely before icing.

To make the icing:

• Combine the icing ingredients in a medium-size bowl and whisk until the ingredients come together into a thick glaze. Note - Additional milk added in very small increments (1 teaspoon) can be used to thin the icing, if needed.
• Spoon the icing into a large piping bag or large zip top bag and snip off one of the bottom corners for piping.
• Drizzle the icing over the cooled turnovers and you're ready to serve at room temperature, or refrigerate until ready to serve. *Note - These taste best if allowed to come to room temperature.