01 -
Preheat the oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
02 -
In a large bowl, toss the sliced peaches with granulated sugar, lemon juice, and vanilla extract. Spread the peach mixture evenly in the prepared baking dish.
03 -
In another bowl, combine flour, oats, brown sugar, cinnamon, and salt. Add the cold, cubed butter and use a pastry cutter or your fingers to mix until the mixture resembles coarse crumbs.
04 -
Sprinkle the oatmeal crumble topping evenly over the peaches.
05 -
Bake for 40 minutes, or until the topping is golden brown and the peach filling is bubbling.
06 -
Let cool slightly before serving. Enjoy warm, optionally with a scoop of vanilla ice cream.