Nutella custard pudding

Want a splendid solution to your little one's whine for chocolates? Treat her to this creamy pudding.

Ingredients
2 cups milk
Egg yolk of 3 eggs
½ cup sugar
2 ½ tbsp corn flour
1 ½ tbsp Nutella
½ tsp vanilla essence
1 tbsp butter

Preparation
Heat the milk in a saucepan
Mix the egg yolk and sugar. Beat them well until fluffy
Add corn flour to it and mix well
Add a little milk to it. Bring it to a paste-like consistency, add the remaining milk, and blend well
Strain this, keep on stove and cook while constantly stirring. It will thicken in one or two minutes
Remove from stove and transfer half of the custard mix to another bowl
Add nutella to it and mix
Add vanilla essence and butter to it and stir till the butter melts
Take five pudding bowls. Cut out paper plates thick enough to place at its center
Place the paper at the center of each bowl
Pour custard mixed with nutella on one side and the remaining custard without nutella on the other side
After letting it cool, keep in fridge
Once set, given two or three hours, serve
Remove the paper at the centre before serving