Sautee the onion and garlic in a hot pan

Add diced mushrooms and cook for about 8-10 minutes. Let it cool.

In a blender make a paste of boiled/ steamed potato with a 1 cup of coconut milk (and water if needed). Keep aside

Once the mushrooms have cooled a bit blend them.

Put the mushrooms back on the stove and bring it to a boil. Reduce the heat add the coconut milk and potato puree slowly stirring it continuously. Add water to get to the desired consistency.

Add salt, pepper and oregano as per taste