Preheat oven to 350 F. Prepare a cast iron skillet with nonstick cooking spray.
To a bowl, add berries, lemon and arrowroot powder and mix together.
To another, separate bowl add quinoa, flour, oats, sugar, salt, cinnamon and combine well.
Add coconut oil to the flour bowl mixing with a spoon until the mixture is moist and crumbly.
Transfer berries to the prepared skillet, spreading in an even layer.
Sprinkle crumble over the top of the berries.
Bake at 350 F for 45 minutes.
Remove from the oven and cool 30 minutes.
Serve with dairy free ice cream or Greek yogurt!