Mix together the egg, milk and salt in something big enough to fit the rolls rolls – we recommend a small lasagne dish!
Spread the sugar out on a smaller dish.
Flatten the bread with a rolling pin.
Cover each piece of bread with Nutella.
Roll up the bread.
Melt the butter in a pan over a medium heat.
Cover each roll in the egg mixture and place in the pan.
Cook each roll for four minutes, or until golden on each side.
Remove and coat each roll with the sugar.
Add strawberries to taste: scatter over the rolls or tuck them inside!