Leek and Mushroom Tagliatelle - Cooking like a Boss

2tbsp 0.03l 30ml 6tsp 0.127cup 0.053pint butter		fry 30s	fry until brown	season	set mushrooms to one side	pan mushrooms
3 cloves garlic	finely chopped
2 fresh rosemary sprigs	pick leaves and finely chopped
200g ¹⁄₅kg 0.441lb 7.05oz chestnut mushrooms	sliced

pan			fry low 10mins until soft	simmer until almost all evaporated	add	mix	plate	top
2tbsp 0.03l 30ml 6tsp 0.127cup 0.053pint butter
3 leeks	chopped 10cm lengths	quarter
125ml ¹⁄₈l 8 ¹⁄₃tbsp 25tsp 0.528cup 0.22pint dry white wine
mushrooms
salt
pepper
1tbsp 0.015l 15ml 3tsp 0.063cup 0.026pint fresh parsley	chop
90ml 0.09l 6tbsp 18tsp 0.38cup 0.158pint double cream
350g 0.35kg 0.772lb 12.3oz tagliatelle	cook per packet	drain
parmesan	grate