Seafood Boil Sauce

Seafood Boil Sauce Recipe

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Prep Time: 5 minutes
Cook Time: 20 minutes
Total Time: 25 minutes
Servings: 2.5 cups


  • 2 cups salted butter
  • 1 onion diced
  • 8 garlic cloves diced
  • 1/4 cup Cajun Seasoning
  • 2 tbsp Old Bay
  • 1 tbsp onion powder
  • 1 1/2 tbsp brown sugar
  • 1 tbsp Red Pepper Flakes
  • 1 cup chicken stock
  • 2 tbsp lemon juice
  • 2 tbsp fresh parsley chopped


  • Melt butter in a large skillet over medium heat. Once all of the butter is melted, add diced onions and cook for 5 minutes. Then add diced garlic and continue to cook in the butter for 3 minutes.
  • Add in the cajun seasoning, old bay, onion powder, brown sugar, and red pepper flakes. Stir together and cook for 5 minutes. Then add chicken stock. Stir and allow the sauce to come to a boil then simmer for 6-8 minutes to thicken.
  • Remove from the heat and squeeze in lemon juice and parsley.Pour over cooked seafood and use any leftovers as a dipping sauce.


  • Adjust the spice level to your liking by adding more (or less) red pepper flakes. If you want add extra spice, add a dash of hot sauce. I'm super sensitive to hot foods and would say that this sauce is pretty mild and flavorful. Taste as you go and adjust the ingredients as per your liking. See the recipe card for exact measurements.
  • Dice onions and garlic and finely as possible. This is key to releasing the flavors when cooking it in the butter.
  • If you prefer a thinner sauce, add another ½ cup of chicken stock.
  • Not all cajun seasonings are created equally. Some brands are salt free and others include salt in their blend. Be mindful of this while cooking and taste as you go to prevent having a sauce that's too spicy or too salty.
  • If you'd like to add a little bit of umami flavor, add some Worcestershire sauce

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