First heat butter in a pan add chopped garlic, saute few seconds then add mushrooms, salt and cook them, in this stage mushrooms release water. It's cook on high flame and evaporate all water.

Once mushrooms dry up then add chilli flakes and oregano, mix it well and cook another 2-3 minutes. Lastly add chopped coriander leaves mix it then turn off the flame. Butter Garlic Mushrooms is ready.

Serve it.