This Blueberry Almond Crumb Cake recipe is a delicious dessert that is perfect for Thermomix users who love the combination of blueberries and almonds. The cake is made with almond flour and almond extract, and is topped with a crumbly streusel topping that is also made with almonds. The Thermomix makes it easy to mix the batter and crumb topping, and the cake bakes up perfectly every time. Serve it warm with a cup of tea for a delicious treat.