Frogmore Stew: Easy Lowcountry Boil (Ready in Under an Hour!)

Ingredients

• 2 gallons water
• 1 (3 ounce) package crab boil seasoning (such as Zatarain's)
• 1 tablespoon Old Bay seasoning
• 1 large onion, quartered
• 2 lemons, halved
• 5 pounds small red potatoes
• 1 pound smoked sausage, such as Andouille, cut into 1-inch pieces
• 8 ears corn, shucked and halved
• 4 pounds unpeeled large shrimp (21-25 count)