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Slow Cooker Seafood Boil

A fuss-free slow cooker version of the classic Southern seafood boil. Loaded with shrimp or crab, red potatoes, corn, smoky sausage, and Old Bay seasoning, this set-and-forget meal delivers big flavor with no boiling pots required.
Prep Time10 minutes
Cook Time3 hours
Total Time3 hours 10 minutes
Course: Main Course
Cuisine: American
Keyword: Crockpot Seafood Boil, Old Bay Seafood, Seafood Boil, Slow Cooker Seafood
Servings: 4 servings
Calories: 387kcal
Cost: 2

Equipment

  • slow cooker
  • cutting board
  • chef knife

Ingredients

  • 1 pound uncooked seafood (shell-on shrimp or crab)
  • 3/4 pound baby red potatoes or quartered red potatoes
  • 12 oz smoked sausage, cut into 1-inch pieces
  • 2 ears of corn, halved
  • 1 onion, chopped
  • 1 lemon, cut in half
  • 3 tbsp Old Bay seasoning
  • 1 bay leaf
  • 5-7 cups water (for slow cooker)

Instructions

  • Add all ingredients except the shrimp to the slow cooker and stir well.
  • Cook on HIGH for 2–3 hours or LOW for 4–6 hours.
  • Stir in shrimp gently and cook 10 minutes, or until pink.
  • Drain water and serve.

Notes

Add shrimp only at the end to avoid overcooking. For Instant Pot users, cook all ingredients except shrimp for 4 minutes, quick-release, then add shrimp to warm through. Use homemade Old Bay seasoning if desired.