[header] How to make mushroom duxelles [title] Peel and finely chop your mushrooms, onion and garlic. [title] Heat a frying pan and melt the butter. [step] Cook gently until the foam subsides and the butter start to turn a light nut brown colour and nutty aroma. 
[title] Add the mushrooms, onion and garlic and stir to coat in the butter. [substeps] The heat must be adequate so that they will fry gently, but not stew or burn.