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How to Make Crab Stock

Bone Broths

how to make a crab stock

Crab stock is not something many people make at home, at least not here in New England. However, the method for making crab stock is almost identical to lobster stock, a stock that is probably more familiar to New Englanders. And the result is the same – a wonderful, richly flavored stock that can be used as a base in all sorts of seafood soups, especially soups like crab bisque and crab chowder. And though crabs have historically not been important commercial fisheries in New England, that could be changing in the near future.

Why Crab Stock May Become More Common in New England

The southern New England lobster industry, that being all points south of Cape Cod, has suffered tremendous losses in recent decades due to rising water temperatures. As a result, lobstermen are being forced to adapt. Ironically, one of New England’s most abundant crab species, the Jonah crab, once a nuisance bycatch of lobster traps, is now being targeted.

Though still relatively unknown, even in New England, they’re slowly starting to catch on. As It turns out, Jonah crabs are quite delicious! They’re medium-sized reddish-brown crabs with two large front claws and their meat is often described as sweet, briny and flakier than the more well-known blue crab. And they make a fantastic crab stock.

Though I used Jonah crab in the video below, any type of crab is interchangeable in making crab stock. Feel free to use whatever type of crabs are local to you.

From the four pounds of Jonah crab claws I got approximately 2 1/2 quarts of crab stock. Not bad! It was a tad on the sweet side so I amended the recipe below to one tablespoon of tomato paste (instead of two). I also amended the total amount of crab carcasses to two pounds as four is quite a lot and may be more than what you have. Regardless, simply use one quart of water per pound of shells.

3 quarts of crab stock

And like I said in the video, I did pick out all the meat, which was ultra-tedious. It took me about an hour. But it was worth it because I made two delicious soups from the crab stock, a Jonah crab stew and a tomato-based crab soup.

Using Whole Crabs

I should also mention that even though I used leftover crab carcasses you could also use whole crabs to make a crab stock. Simply boil or steam some whole crabs (make sure to reserve the steaming liquid for the stock), let them cool a bit, then slice and/or break them up into smaller pieces and use all this for your stock. That way you don’t have to pick out all the meat. 

how to make crab stock

Crab Stock

Crab shells, carcasses or even whole crabs can all be used to make a simple crab stock which will add depth and flavor to seafood soups.

Course Broth
Cuisine American
Servings 8 servings
Author Craig Fear

Ingredients

  • 2 pounds crab carcasses – any combo of shells, legs, claws and bodies
  • 2 quarts water or enough to cover carcasses
  • 1 medium yellow onion roughly chopped
  • 2 stalks celery roughly chopped
  • 3-4 cloves garlic roughly chopped
  • 3-4 sprigs thyme
  • 1 teaspoon black peppercorns
  • 1 TBSP tomato paste or 1 14 ½ ounce can diced tomatoes optional
  • Sea salt to taste

Instructions

  1. Place crab carcasses in a medium-sized stock pot, add the water, making sure to cover the carcasses completely.
  2. Turn the heat to high. As the water starts to heat up, skim any scum that forms on the surface.
  3. Add all of the other ingredients (except the salt), cover and simmer assertively (meaning more than a gentle simmer but less than a full boil) for about one hour. After one hour, taste the stock. If more flavor is desired, continue simmering for at least another 20 minutes, with the cover off to let the stock cook down and the flavors condense.
  4. When final flavor is achieved, lightly salt the stock.
  5. Strain with a fine mesh strainer.
  6. Chill whatever you won’t be immediately using. Store in the fridge for up to 3 days or in the freezer for up to 3 months.
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How to Make Crab Stock
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About the Author

Craig Fear is the creator of Fearless Eating and the author of three books, The 30-Day Heartburn Solution, Fearless Broths and Soups and The Thai Soup Secret. After years helping clients with digestive issues, Craig decided to pursue writing full-time. He intends to write many more books on broths and soups from around the world! Click here to learn more about Craig.

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