Instructions: 1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare the Pie Crust: In a large mixing bowl, combine the thinly sliced apples, granulated sugar, flour, cinnamon, nutmeg, and salt. Toss until the apples are evenly coated.
3. Assemble the Pie: Place the prepared pie crust in a 9-inch pie dish.Arrange the apple mixture evenly in the pie crust.
4. Prepare the Streusel Topping: In a separate mixing bowl, combine the all-purpose flour, brown sugar, and rolled oats.Cut in the cold cubed butter using a pastry cutter or your fingers until the mixture resembles coarse crumbs.
5. Bake the Pie: Bake in the preheated oven for 40-50 minutes, or until the streusel topping is golden brown and the filling is bubbly.
6. Cool and Serve: Once baked, remove the pie from the oven and let it cool on a wire rack before serving.Serve slices of Dutch apple pie warm or at room temperature, optionally topped with a scoop of vanilla ice cream or a dollop of whipped cream.