This paleo blueberry crumb cake recipe is perfect for those who are following a paleo diet. Made with almond flour, coconut flour, and fresh blueberries, this cake is a healthier alternative to traditional crumb cake. The crumb topping is made with almond flour, coconut oil, and honey, making it a delicious and paleo-friendly addition to the cake. This recipe is easy to make and can be enjoyed by those who are following a paleo or grain-free diet.