Tasty Crockpot Seafood Boil

I’ve always loved a good seafood boil, but let’s be honest – hauling out the giant pot, heating gallons of water, and standing over the stove isn’t exactly my idea of a relaxing dinner. Plus, the cleanup? No thanks. I’d rather spend my evening actually enjoying the meal instead of scrubbing down my kitchen.

That’s why I started making seafood boils in my crockpot. I toss everything in, set it, and walk away. The potatoes and sausage get nice and tender while I’m doing literally anything else. Then I add the shrimp at the end, and dinner is ready without all the fuss. No giant pot taking up my whole stove, no steam fogging up my kitchen windows.

Want something that tastes like summer but requires almost zero effort? This is it. I make this when I’m craving those classic seafood boil flavors but don’t want to commit my whole afternoon to cooking.

What Kind of Seafood Should I Use?

For a crockpot seafood boil, you’ve got plenty of options to work with. Shell-on shrimp is probably the most popular choice since it stays tender and juicy during the slow cooking process, plus the shells add extra flavor to the broth. Crab legs or crab clusters are another great option and give you that authentic seafood boil experience. If you want to mix things up, you can even combine different types of seafood – just add the more delicate items like shrimp during the last 30 minutes of cooking so they don’t get rubbery. Whether you go fresh or frozen, just make sure frozen seafood is fully thawed before tossing it in the pot.

Options for Substitutions

This seafood boil is easy to customize based on what you have available:

• Seafood: Mix and match your seafood! Try crawfish, lobster tails, clams, or mussels instead of shrimp and crab. Just keep the total weight around 1 pound and add delicate seafood like shrimp during the last 30 minutes of cooking so they don’t get rubbery.
• Smoked sausage: Andouille sausage is a classic choice, but kielbasa or any smoked sausage you like will work great. For a spicier kick, try chorizo.
• Red potatoes: Yukon gold potatoes work just as well here. You can also use fingerling potatoes – just adjust the size of your cuts so everything cooks evenly.
• Old Bay seasoning: If you don’t have Old Bay, try Cajun seasoning or Zatarain’s crab boil. You can also make your own blend with paprika, celery salt, black pepper, and cayenne pepper.
• Fresh corn: Frozen corn on the cob works in a pinch – just add it frozen and it’ll cook through just fine. You can also skip the corn entirely if it’s not your thing.

Watch Out for These Mistakes While Cooking

The biggest mistake you can make with a crockpot seafood boil is adding the shrimp too early, which will turn them rubbery and tough – always wait until the very end and cook them for just 10 minutes until they turn pink.

Another common error is not using enough water to cover your ingredients, so make sure the potatoes and corn are fully submerged to cook evenly throughout.

To get the best flavor, don’t skip cutting the lemon in half and squeezing it into the pot before tossing in the halves, as this releases the oils and juice that really bring the whole dish together.

Finally, resist the urge to lift the lid and stir during cooking, since each peek releases heat and can add 15-20 minutes to your total cooking time.

What to Serve With Seafood Boil?

A seafood boil is pretty much a complete meal on its own since you’ve got protein, potatoes, and corn all in one pot, but I love adding a few extras to round things out. Crusty French bread or dinner rolls are perfect for soaking up all that flavorful broth, and you can even brush them with garlic butter for extra points. A simple coleslaw adds a nice cool, crunchy contrast to the warm, spicy seafood, and it helps balance out the richness of the sausage. Don’t forget to set out melted butter with extra lemon wedges and hot sauce on the side so everyone can customize their bowls however they like.

Storage Instructions

Store: Keep your leftover seafood boil in an airtight container in the fridge for up to 2 days. The seafood is best enjoyed fresh, so try to eat it within that time frame. Store the seafood and veggies together with a bit of the cooking liquid to keep everything moist.

Reheat: Warm up your leftovers gently in a pot on the stove over medium-low heat with a splash of water or broth. You can also microwave individual portions for about 1-2 minutes, but be careful not to overcook the seafood or it’ll get rubbery. The potatoes and sausage reheat better than the shrimp or crab, so keep that in mind.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 1700-2000
• Protein: 90-110 g
• Fat: 60-80 g
• Carbohydrates: 175-200 g

Ingredients

For the boil base:

• 1 lb red potatoes (cut into 1-inch chunks to ensure even cooking)
• 12 oz smoked sausage (sliced into 1-inch rounds)
• 2 ears corn (husked and cut into 3-inch rounds)
• 1 large onion (peeled and quartered)
• 1 lemon (thickly sliced into 1/2-inch rounds)
• 4 tbsp Old Bay seasoning
• 4 cloves garlic (minced)
• 1 bay leaf
• 7 cups water

For the seafood:

• 1 lb large shrimp (peeled and deveined, tail-on)
• 2 tbsp fresh parsley (chopped, for garnish)

Step 1: Prep Your Ingredients for the Crockpot

• 1 lb red potatoes
• 12 oz smoked sausage
• 2 ears corn
• 1 large onion
• 1 lemon
• 4 cloves garlic
• 1 lb large shrimp

Cut the red potatoes into 1-inch chunks and slice the smoked sausage into 1-inch rounds.

Husk the corn and cut into 3-inch pieces.

Peel and quarter the large onion, then slice the lemon into 1/2-inch rounds.

Mince the garlic and peel and devein the shrimp, leaving tails intact.

Having everything prepped and ready (mise en place) makes the cooking process seamless and ensures even cooking throughout.

Step 2: Build the Boil Base in the Crockpot

• 7 cups water
• prepared potatoes from Step 1
• prepared smoked sausage from Step 1
• prepared corn from Step 1
• prepared onion from Step 1
• prepared lemon slices from Step 1
• prepared garlic from Step 1
• 4 tbsp Old Bay seasoning
• 1 bay leaf

Add the water to your crockpot first, then add the prepared potatoes, smoked sausage, corn, onion, lemon slices, minced garlic, Old Bay seasoning, and bay leaf.

Stir everything together well to distribute the seasoning evenly throughout the liquid.

The potatoes need the most cooking time, so starting them first ensures they’ll be tender by the time everything else is ready.

Step 3: Slow Cook the Boil Until Potatoes Are Tender

Cover the crockpot and cook on HIGH for 2-3 hours or on LOW for 4-6 hours, depending on your time availability.

The potatoes are done when they’re fork-tender but still hold their shape.

I like to check them after 2 hours on HIGH just to gauge doneness—this helps me know exactly when to add the shrimp for perfect timing.

Step 4: Add Shrimp and Finish Cooking

• prepared shrimp from Step 1

Once the potatoes are tender, add the prepared shrimp from Step 1 to the crockpot and stir gently to combine.

Cook uncovered for 10 minutes until the shrimp turn pink and opaque throughout.

Don’t overcook the shrimp or they’ll become tough—10 minutes is perfect for large shrimp in the hot broth.

Step 5: Drain and Serve

• 2 tbsp fresh parsley

Using a slotted spoon or small colander, carefully transfer all the solids from the crockpot to a large serving platter or individual bowls.

You can discard the bay leaf and lemon slices, or leave them for flavor.

Pour a little of the cooking liquid over the seafood boil if desired, then garnish with fresh chopped parsley and serve immediately.

Tasty Crockpot Seafood Boil

Delicious Tasty Crockpot Seafood Boil recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 1 hour hr 45 minutes mins

Cook Time 3 hours hrs 30 minutes mins

Total Time 5 hours hrs 17 minutes mins

Servings 4 servings

Calories 1850 kcal

Ingredients

  

For the boil base

• 1 lb red potatoes (cut into 1-inch chunks to ensure even cooking)
• 12 oz smoked sausage (sliced into 1-inch rounds)
• 2 ears corn (husked and cut into 3-inch rounds)
• 1 large onion (peeled and quartered)
• 1 lemon (thickly sliced into 1/2-inch rounds)
• 4 tbsp Old Bay seasoning
• 4 cloves garlic (minced)
• 1 bay leaf
• 7 cups water

For the seafood

• 1 lb large shrimp (peeled and deveined, tail-on)
• 2 tbsp fresh parsley (chopped, for garnish)

Instructions

 

• Cut the red potatoes into 1-inch chunks and slice the smoked sausage into 1-inch rounds. Husk the corn and cut into 3-inch pieces. Peel and quarter the large onion, then slice the lemon into 1/2-inch rounds. Mince the garlic and peel and devein the shrimp, leaving tails intact. Having everything prepped and ready (mise en place) makes the cooking process seamless and ensures even cooking throughout.
• Add the water to your crockpot first, then add the prepared potatoes, smoked sausage, corn, onion, lemon slices, minced garlic, Old Bay seasoning, and bay leaf. Stir everything together well to distribute the seasoning evenly throughout the liquid. The potatoes need the most cooking time, so starting them first ensures they'll be tender by the time everything else is ready.
• Cover the crockpot and cook on HIGH for 2-3 hours or on LOW for 4-6 hours, depending on your time availability. The potatoes are done when they're fork-tender but still hold their shape. I like to check them after 2 hours on HIGH just to gauge doneness—this helps me know exactly when to add the shrimp for perfect timing.
• Once the potatoes are tender, add the prepared shrimp from Step 1 to the crockpot and stir gently to combine. Cook uncovered for 10 minutes until the shrimp turn pink and opaque throughout. Don't overcook the shrimp or they'll become tough—10 minutes is perfect for large shrimp in the hot broth.
• Using a slotted spoon or small colander, carefully transfer all the solids from the crockpot to a large serving platter or individual bowls. You can discard the bay leaf and lemon slices, or leave them for flavor. Pour a little of the cooking liquid over the seafood boil if desired, then garnish with fresh chopped parsley and serve immediately.