Use a very hot pan for browning.
Do not wash mushrooms with much water.
Add the garlic at the very end.
Use fresh garlic for the best smell.
Crowding the pan makes the mushrooms steam.
Choose mushrooms that are firm and dry.
Cold butter adds a very nice gloss.
Slice the mushrooms into thick, even pieces.
Use unsalted butter to control the salt.
Do not overcook the garlic at all.