Shrimp Boil

Ingredients

• 2 onions, halved crosswise
• 1 head of garlic, halved crosswise
• 5 whole cloves
• 3 bay leaves
• 2 tablespoons kosher salt
• 1 tablespoon coriander seeds
• 4 teaspoons yellow mustard seeds
• 2 teaspoons dill seeds
• 2 teaspoons whole allspice
• 1 teaspoon black peppercorns
• 1 teaspoon crushed red pepper flakes
• 1/2 teaspoon cayenne pepper
• 1 lemon, halved
• 5 dashes (or more) hot pepper sauce, preferably Crystal
• 1 1/2 pounds unpeeled large shrimp (about 30)