Christmas dessert
15 minutes
Chocolate-and-bubbly trifle

1. Preheat the oven to 160°C.
2. Melt the ice cream and mix thoroughly with the egg yolk. Place in a ramekin. Drop in a handful of blueberries, if using.
3. Place the ramekin in a water bath. Bake for 40-50 minutes.
4. Sprinkle over the sugar, and melt with a blowtorch.