1. Place one scoop of vanilla ice cream into a ramekin. Top with one tablespoon of blueberry sauce.
2. Add a second scoop of ice cream and half a tablespoon of sauce.
3. With the back of a spoon, smooth down the ice cream and sauce to create an even layer. Sprinkle with loads of crumble. Freeze.
4. To serve, garnish with confectioner’s sugar and fresh blueberries.