A soup that requires easily and readily available ingredients. Can be made easily for unexpected guests. And that too when it is done in OPOS, it is made easily and the taste is definitely immense.
Onions - 4 nos
Butter - 1 tbsp
White sauce - 2 Cups
Salt and pepper to taste
Cut the onions into thin rings. (Better grate it using potato grater or slicer)
In a pressure pan heat butter and add the onion rings. Add white sauce, salt and 1 cup of water. Pressure cook for 3 whistles.
Let it cool remove from flame and add required water.
Serve hot with soup sticks. This also makes a soup for a rainy day.