Devein shrimp and set aside on ice until ready to use.
2-1/2 lbs. extra large shrimp, unpeeled
In a large stock pot, add water, beer, shrimp and crab boil, Old Bay, salt, lemon juice and rinds from both lemons and onion. Bring to a boil and simmer for 5 minutes.
5 quarts water, 1 (12 oz.) beer, 1 bag shrimp and crab boil, 1/4 cup Old Bay seasoning, 2 tbsps. kosher salt, 2 lemons juiced plus rinds, 1 large onion, quartered
Add potatoes and cook for 10 minutes. Add corn and kielbasa, cook for 5 minutes more. Add shrimp, cooking for 3 minutes or until pink and opaque.
1-1/2 lbs. small red potatoes, 4 large ears of corn, broken into smaller pieces, 1 lbs. kielbasa, sliced
Drain broth and toss with butter that has been melted with minced garlic.
1/2 cup butter, melted, 2 tsps. finely minced garlic
Serve on a bed of newspapers with lemon wedges and your choice of dipping sauces such as cocktail sauce or a spicy mayo.