In a bowl add milk, egg and sugar and whisk everything together.
Take the bread slices one by one. With the rolling pin, press the bread slices once.
I did not cut the sides. If you do not like or to maintain softness crop it off.
Take the Nutella in spoon and apply on the bread. Roll the bread sand it would stick on it's own.
Dip the rolled breads in the egg milk mixture.
Heat a Tawa, place the roll ups and cook on all sides. If necessary add oil on the sides.