How To Thicken Seafood Boil Sauce

Have you made a seafood boil sauce that isn’t as thick as you’d like? Are you looking for ideas on how to thicken seafood boil sauce? If you are, then you’re in the right place.

how to thicken seafood boil sauce

Here, I will share 4 easy ways you can thicken up a seafood boil sauce.

The best ways to help make a seafood boil sauce thick is to:

  • Add minced onions
  • Add cornstarch
  • Add flour
  • Adjust the butter to onion ratio

Minced onions – Adding minced onions to a seafood boil sauce can help thicken it up quite a bit. To do so, simply chop up 1-2 onions and add it to the sauce. Make sure to start the sauce by sautéing those chopped onions. Some people even blend their onions to make the sauce more uniform.

Cornstarch – Another easy way to thicken a seafood sauce is by adding cornstarch. To do this follow the instructions to make the seafood boil sauce. Then, add 1 teaspoon of cornstarch to a small bowl, together with 1 tablespoon of the hot seafood boil sauce. Mix well to make a slurry. Then pour this cornstarch slurry into the sauce and mix until everything is properly combined and the sauce has thickened.

Note: Use 1 teaspoon of cornstarch and 1 tbsp of hot seafood sauce for to make a slurry that will thicken small amounts of sauce. Use 1 tablespoon of cornstarch and 3 tablespoons of seafood sauce to make a slurry that can thicken a larger amount of sauce. 

Flour – Like cornstarch, flour can be used as a thickening agent in a seafood boil sauce. For this method, you will need to make a quick roux. To make this roux, use 1 tablespoon of butter and 1 tablespoon of flour and make a light roux. Then add this roux to the sauce.

Adjusting the butter to onion ratio – Another easy way to thicken a seafood boil sauce is to simply adjust the ratio of butter to chopped onions. This means that you will need to add more chopped onion than butter to the seafood sauce. 

When it comes to making seafood boil sauces, there are many unique ways to make those recipes, and they could turn out either runny and thick. Nonetheless, you can easily adjust the thickness of a seafood boil sauce without changing the flavors too much and these 4 ways show you just how to do this easily.

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