Low Country Shrimp 'n Crab Boil Bring a gallon of water, a 12 oz. bottle of beer, 2 T. salt, 1/2 c. Old Bay to a boil. Toss in 2 onions, quartered and 8 baby red potatoes. Boil those 8 mins. Add 2 lbs smoked sausage, cut in 2" pieces, boil 5 mins. Add 8 ears of corn, halved, and 2 lbs. snow crab legs, boil 7 mins. Add 4 lbs. shrimp in shells and boil 4 mins. Drain and serve with melted butter, cocktail sauce and more Old Bay.