Ingredients
Crumble
1 cup flour
½ cup brown sugar
½ cup rolled oats
½ tsp cinnamon
¼ tsp kosher salt
½ cup butter, softened
Filling
6 cups blackberries
¾ cup sugar
¼ cup cornstarch
½ tbsp lemon juice
Directions
Prepared Pie Crust
Make the crumble: In a large mixing bowl, toss all dry ingredients together. Using your fingertips, blend butter into dry ingredients until course lumps form. Set aside.
Make the Filling
In another large mixing bowl, toss the berries with sugar, cornstarch and lemon juice.
Pour the berry mixture into prepared pie crust.
Sprinkle crumble all over top of filling. Bake pie at 350 degrees for 45-55 minutes until berries are bubbling and crumble is browned. Cool completely before slicing.