Joyfulhealthyeats.com
Prep the filling
Preheat the oven. Mix the filling ingredients in a large bowl until well combined. Pour it into a cast-iron skillet.
Make the crumble
Mix the oats, flour, pecans, maple syrup, cinnamon, salt, and butter in a separate bowl until course and crumbly.
Bake and Enjoy!
Evenly sprinkle the crumble mixture over the blueberry filling in the baking dish. Pop it into the oven for 35-40 minutes. Remove it from the oven and let it cool for 10 minutes. Serve and enjoy!