Take a thick bottom sauce pan. Add two Spoon's butter, let the butter melt in medium flame. Add finely chopped garlic and saute it till it becomes golden brown.

Now add mushroom and salt. close it by lid and let's Cook it till it becomes soft and completely dry it's water.now add pepper and 3cups water.

Let's come to boil.now instead saprate bowl mix the corn flour with little water and add into the soup. once again boil it and serve it hot.