01 -
Preheat the oven to 350 degrees Fahrenheit.
02 -
In a large bowl, combine 5 cups of peeled and sliced peaches. Juice half a lemon over the peaches and add vanilla extract. Sprinkle arrowroot over the peach mixture. In a separate small bowl, mix granulated sugar and salt. Pour the sugar mixture over the peaches and stir to coat.
03 -
Transfer the peach mixture to a buttered 2.5-quart baking dish.
04 -
In a medium mixing bowl, combine flour, brown sugar, and cinnamon. Add chunked cold butter to the mixture and incorporate using a pastry blender until the mixture is crumbly. Gently stir in oats.
05 -
Evenly sprinkle the crumble topping over the peach filling in the baking dish.
06 -
Bake in a preheated oven at 350 degrees Fahrenheit for 40 minutes, or until the topping is golden brown and the filling is bubbling.
07 -
Store any leftovers covered in the refrigerator for up to 5 days.