Old Bay Butter Andouille Boil Snow Crab

This slow cooker seafood boil brings together sweet snow crab, juicy jumbo shrimp, smoky Andouille sausage, and tender baby potatoes in a rich garlic butter sauce seasoned with Old Bay.

The hands-off method lets the slow cooker do the work while the flavors meld into a comforting, coastal-inspired meal. Serve it over jasmine rice with lemon wedges for a satisfying dinner that feels special but requires minimal effort.

A seafood boil is a beloved gathering dish, but it often involves a large pot, outdoor burner, and constant attention. This version simplifies the process by using a slow cooker, allowing the ingredients to gently simmer in a buttery, spiced sauce without any fuss.

The recipe is perfect for weeknights or casual weekends when a hearty, impressive meal is wanted without standing over a stove. The result is tender seafood, smoky sausage, and potatoes that soak up every bit of flavor.

Ingredients

Why this recipe works

The slow cooker provides a gentle, even heat that cooks the shrimp and crab without toughening them. Unlike boiling, which can easily overcook seafood, the low temperature keeps the shrimp moist and the crab tender. The butter and Old Bay create a rich, aromatic bath that infuses every ingredient with flavor as it simmers.

Layering the ingredients in the order specified ensures that the potatoes and sausage, which take longer to cook, are positioned to receive enough heat. The shrimp and crab, which cook faster, are placed on top and are ready just as the potatoes become tender. This method guarantees that everything finishes at the same time, with no ingredient left undercooked or rubbery.

Notes and substitutions

Snow crab legs are typically sold pre-cooked and frozen, so they only need to be heated through. If using fresh raw crab, adjust the cooking time and ensure the internal temperature reaches 145°F (63°C).

Jumbo shrimp are recommended for their size and sweetness; smaller shrimp may cook faster, so check them earlier. The Andouille sausage should be smoked, not fresh, to hold up during the long cook.

A 6-quart slow cooker is ideal for this recipe, as it holds the ingredients without overcrowding. If using a smaller cooker, reduce the quantities proportionally.

Old Bay seasoning is essential for the classic flavor; a homemade blend can be substituted if needed. The garlic butter sauce can be adjusted to taste, but the stated amounts provide a balanced, generous coating.

• snow crab: king crab or Dungeness crab; adjust cooking time slightly for thicker legs.
• jumbo shrimp: large shrimp or peeled tails-on shrimp; reduce cooking time by 15 minutes if using smaller shrimp.
• smoked Andouille sausage: smoked kielbasa or chorizo for a different smoky flavor.
• baby potatoes: red potatoes cut into 1-inch chunks; they hold up well in the slow cooker.

Equipment

• 6-quart slow cooker
• Measuring cups and spoons
• Chef's knife
• Cutting board
• Slotted spoon
• Large serving platter