Take Nutella chunks and crushed Nutella in a bowl. Put water enough to cover them. Add 1/2 tbsp salt,and bring it to boil.

Once the nutellas are boiled. Drain the water and keep aside for later.

Take butter in the pan and heat it, add onions and garlic, saute it for 2 mins

Add all the other vegetables in the pan and saute them, adding salt,pepper lemon and vinegar.

Once all the vegetables are sauted properly, add the Nutella to it.

Cover and let it cook for 5 mins.