Step 1

First, preheat the oven to 375ºF and spray a 9-inch x 9-inch baking dish with nonstick cooking spray.

Step 2

Next, place all of the ingredients for the filling into a large bowl and mix to combine. Transfer into the baking dish and set aside.

Step 3

In a medium bowl, prepare the crumble. Combine all ingredients with a wooden spoon and use your hands if needed. Make sure the butter is softened so that you can create a delicious, crumble topping.

Step 4

Transfer the crumble topping on top of the berries, making sure that it’s evenly spread out.

Step 5

Place crumble into the oven and bake at 375ºF for 30 minutes. Remove from oven, cover with tin foil. Then, place back into the oven and continue baking for 15 more minutes.

Step 6

Let cool for 10 minutes before serving.