Instructions

1. Preheat the oven to 350°F.
2. Place blueberries in a large bowl. Add maple syrup, cinnamon, allspice, rosemary, and salt. Toss to combine and set aside.
3. Combine the oat topping ingredients in a separate bowl and stir until oats are coated, and ingredients are well combined. Set aside.
4. Pour blueberry mixture into a 10" cast iron skillet and more to the ovn
5. Bake for 30 minutes. Loosly cover the dish with aluminum foil if the top layer is nicely browned to prevent overbrowning. Bake for 15-20 minutes or until the blueberry crisp is nice and bubbling. Remove from oven, set aside to cool then serve.