1-Follow this simple step-by-step guide to make your apple crumble recipe turn out perfectly every time. Start by preheating your oven to 375°F (190°C) and lightly greasing an 8 or 9-inch baking dish, which sets the stage for even baking.

2-Preparing the apples involves peeling, coring, and slicing them into bite-sized pieces for the best texture and flavor. For a smoother process, consider using an apple corer/peeler/slicer tool as one helpful tip.

3-Next, in a medium bowl, mix the all-purpose flour, brown sugar, salt, baking powder, and cinnamon for the topping, then whisk to combine. Stir in the melted unsalted butter with a fork until the mixture becomes crumbly, creating that signature crunchy layer.

4-In a separate large bowl, combine the prepared apples with granulated or brown sugar, lemon juice, cornstarch or flour, salt, and cinnamon, tossing everything together for a flavorful filling.

5-Spread the apple mixture evenly in the greased baking dish to form an even base. Evenly sprinkle the crumble topping over the apples to ensure full coverage, which helps achieve a golden crust when baked.

6-Bake for 35 to 45 minutes until the top is bubbly and golden brown, then let it cool for 15 minutes before serving warm, perhaps with vanilla ice cream for an extra treat.

7-This method not only keeps things simple but also allows for adaptations like adding chopped nuts to the topping for added crunch.