Step 1

Preheat the oven to 350 degrees F (175 degrees C). Spray a 9x13-inch baking pan with cooking spray.

Step 2

Cream brown sugar, oil, eggs, baking powder, and salt together in a bowl until smooth. Add oatmeal and milk and mix until combined.

Step 3

Layer blackberry pie filling and strawberries in the bottom of the prepared pan. Add oatmeal mixture over fruit.

Step 4

Bake in the preheated oven until top is golden brown, about 30 minutes.