Special tools: roasting pan, sauce pot, baking rack Method: Place 1/2 inch of water in the bottom of a roasting pan. Place baking tray inside and crab on top. Cover and steam the crab for 8 minutes In a sauce pot add shallots, vinegar, white wine, salt and pepper. Reduce until almost dissolved. Strain and add one cube of butter at a time whisking to emulsify. Add lemon and serve with a bib.