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Seafood Cioppino

If you're looking for a great seafood recipe for your slow cooker, this classic fish stew is just the ticket. It's brimming with clams, crab, fish and shrimp, and is fancy enough to be an elegant meal. —Lisa Moriarty, Wilton, New Hampshire
  • Total Time
    Prep: 20 min. Cook: 4-1/2 hours
  • Makes
    8 servings (2-1/2 quarts)


  • 1 can (28 ounces) diced tomatoes, undrained
  • 2 medium onions, chopped
  • 3 celery ribs, chopped
  • 1 bottle (8 ounces) clam juice
  • 1 can (6 ounces) tomato paste
  • 1/2 cup white wine or 1/2 cup vegetable broth
  • 5 garlic cloves, minced
  • 1 tablespoon red wine vinegar
  • 1 tablespoon olive oil
  • 1 to 2 teaspoons Italian seasoning
  • 1 bay leaf
  • 1/2 teaspoon sugar
  • 1 pound haddock fillets, cut into 1-inch pieces
  • 1 pound uncooked shrimp (41-50 per pound), peeled and deveined
  • 1 can (6 ounces) chopped clams, undrained
  • 1 can (6 ounces) lump crabmeat, drained
  • 2 tablespoons minced fresh parsley


  • In a 4- or 5-qt. slow cooker, combine the first 12 ingredients. Cook, covered, on low 4-5 hours.
  • Stir in seafood. Cook, covered, until fish just begins to flake easily with a fork and shrimp turn pink, 20-30 minutes longer.
  • Remove bay leaf. Stir in parsley.
Nutrition Facts
1-1/4 cups: 205 calories, 3g fat (1g saturated fat), 125mg cholesterol, 483mg sodium, 15g carbohydrate (8g sugars, 3g fiber), 29g protein. Diabetic Exchanges: 3 lean meat, 2 vegetable.

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Average Rating:
  • Elle
    Nov 18, 2019

    Yikes. This was REALLY bland. How did this get so many stars? I recommend sautéing the veggies before you place in the crockpot. Also adding paprika, a red pepper, and more spices to taste.

  • Kristen
    Oct 26, 2019

    No comment left

  • Carol H.
    Jan 31, 2019

    I have made this recipe at least five times, and it’s always been a huge hit. Admittedly, I tweak it a little bit each time, adding hot pepper flakes, thinly sliced fennel, and an extra bottle of clam juice. Positively delicious. Even better the next day. I use a technique suggested in almost all slow cooker recipes published in America’s Test Kitchen Slow Cooker cookbooks. I take almost all vegetables, aromatics plus olive oil and microwave for a few minutes to open up flavors. I think it makes a difference. I also use cod instead of haddock. Very surprised by people who say there’s no flavor.

  • Sheri
    Jan 20, 2019

    I thought this was really good. I substituted fresh cod for the haddock and I added an extra can of crab meat. It made a lovely soup. I used a crock pot, but cooked it on high or about 3.5 hours and then added the seafood and kept on high for another 30 min.

  • Carolyn
    Apr 25, 2018

    I found this very flavorless. It was okay after I added a healthy dose of Tony Chachere but falls into my category of edible but not memorable.

  • JCV4
    Apr 20, 2018

    Very tasty and so easy in the crockpot!

  • glitterchatter
    Mar 14, 2018

    The crockpot made this cioppino super convenient, but we were disappointed with the flavor. With so many great reviews, I'm assuming something went wrong on my end although I followed the recipe exactly.

  • Ashdoes
    Feb 4, 2018

    This turned out quite good, and we really enjoyed it. Made almost exactly to the recipe. Just now realized I forgot the crab, even still was very good.The big thing we added, Octopus! Two hours on high, and they were perfect. Husband and daughters said they were soft and easy to chew.The one thing I did, moved soup and octopus into a Dutch oven, onto the stove. I was concerned the fish and shrimp would drop the temp too much, and that the octopus would stop cooking. So, twenty more minutes, slow simmer..and all was perfect.I know I searched all over, wondering how long to cook the octopus, and mostly guessed based on several other recipes. But, 2hrs in the crockpot on high, was great. Could go three I’m sure.

  • normdunkin
    Jan 31, 2017

    Wow! This was so good. Lots of flavor and 205 calories per serving. I added some scallops but otherwise stuck with the recipe as written. I served it with garlic toast and Pinot Noir. Can't wait to eat the leftovers for lunch tomorrow.

  • itsmesusan
    Dec 6, 2016

    I added bay scallops & crushed red pepper flakes to the mix. This was sooo good & even-better, reheated, the next day! I didn't have red wine vinegar, so used more white wine.