Creating the perfect Peach Crumble Pie can be straightforward if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Peaches: In a large bowl, combine the sliced peaches, granulated sugar, 2 tablespoons of flour, cinnamon, lemon juice, and vanilla extract. Toss gently to coat the peaches evenly.
3. Make the Crumble: In another bowl, mix 1 cup of flour, rolled oats, brown sugar, melted butter, and salt until crumbly.
4. Assemble Pie: Spread the peach mixture evenly in a pie dish. Then, sprinkle the crumble topping generously over the peaches.
5. Bake: Place the pie in the preheated oven and bake for 40-45 minutes, or until the peaches are bubbling and the crumble is golden brown.
6. Cool: Once done, remove the pie from the oven and let it cool for 15-20 minutes before serving.
7. Prepare for Serving: You can serve it warm or at room temperature, but cooling slightly helps the filling set.

These steps will guide you in creating this incredible pie effortlessly.