1: Preheat the oven to 350°F.
2: In a bowl, mix berries, lemon juice, maple syrup, and coconut flour.
3: For the crust, combine oats, protein powder, cinnamon, another serving of maple syrup, peanut butter, and almond milk.
4: Spread the berry mixture in a baking dish and top with the crust mixture.
5: Bake for 20 minutes.
6: Enjoy your berry crumble!