This Gluten-Free Blueberry Crumb Cake recipe is perfect for Thermomix users who are looking for a delicious gluten-free dessert. The cake is made with almond flour and coconut flour, and is sweetened with honey instead of sugar. The blueberries add a burst of flavor and color to the cake, and the crumb topping is made with gluten-free oats. Serve it warm with a dollop of whipped cream for a delicious treat.