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Best Homemade Seafood Boil Sauce is rich, spicy, buttery, and packed with garlic flavor! This seafood butter sauce recipe is easy to make and perfect with your favorite seafood boil, shrimp boil, crawfish boil, and crab boil.
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5 from 18 votes

Best Cajun Seafood Boil Sauce Recipe (+ How to Make Seafood Boil)

This homemade seafood sauce is so easy to make on the stovetop. Ready in 15 minutes! Make sure to cook on medium-low heat so you don't burn the garlic or onions.
This recipe makes 1 to 1.5 cups, enough for 8 people. Serve it with your favorite seafood boil, shrimp boil, crawfish boil, and crab boil.
Prep Time5 minutes
Cook Time10 minutes
Total Time15 minutes
Course: Condiment
Cuisine: American
Keyword: Seafood Boil Sauce, Seafood Butter Sauce
Servings: 8
Author: Izzy Yu

Equipment

Ingredients

  • 1 cup unsalted butter divided
  • 1/4 cup olive oil
  • 1/2 onion finely diced
  • 3 tablespoons garlic finely minced
  • 3 tablespoons Old Bay seasoning
  • 1 tablespoon lemon pepper
  • 1 tablespoon paprika
  • 1 tablespoon cayenne pepper
  • 1 tablespoon red pepper flakes
  • 2 teaspoons lemon juice
  • 1 tablespoon brown sugar
  • 3/4 cup chicken broth

Instructions

  • In a medium saucepan over medium-low heat, add 1/2 cup of butter and oil.
  • Once the butter is melted, add onions and stir fry until they’re soft. (Turn the heat down if your onions start to brown too fast.)
  • Add garlic and sauté until fragrant, about 1 minute.
  • Add Old Bay seasoning, lemon pepper, paprika, cayenne pepper, red pepper flakes, lemon juice, and brown sugar. Mix together.
  • Turn the heat to low and add the remaining butter.
  • Simmer until the butter is melted, stirring constantly.
  • Add chicken broth and cook for a few minutes until the sauce is slightly thickened.
  • Remove from heat. Pour the sauce over your favorite seafood boil or serve it as a dipping sauce.

Notes

  • Make sure to cook on medium-low or low heat so that you won’t burn your ingredients. The burnt garlic and onions can cause your sauce to taste bitter. So watch carefully while cooking. If you are a beginner, it's best to cook on LOW heat.
  • Store the homemade seafood sauce in an airtight container and it’ll last about 1 week in the refrigerator.
  • Adjust the amount of red pepper flakes and cayenne pepper to your preferred level for spiciness.
  • Seafood Boil Ingredients
    • 3 tablespoons Old Bay seasoning
    • 1 lemon, sliced
    • 1 bulb garlic
    • 1 pound baby potatoes, halved
    • 3 ears corn on the cob cut into 3-4 inch pieces
    • 1 pound smoked sausage, cut into 1-inch pieces
    • 1 onion cut into a few pieces
    • 1/2 pound clams
    • 1 pound frozen crab claws or legs, or crawfish or lobster
    • 1 pound shrimp
  • How to Make Seafood Boil (More details)
    • Fill up a large pot with water. Add old bay seasoning, lemon, and garlic. Bring the water to a boil.
    • Add potatoes to the water. Boil for about 10 minutes.
    • Add corn and cook for 3 more minutes.
    • Add sausage and onions. Cover with a lid and boil for an additional 5 minutes.
    • Add crab and clam. Boil for about 5 minutes.
    • Add the shrimp. Boil for 2-3 minutes or until the shrimp is no longer pink.
    • Drain the water. Transfer the seafood boil to a serving plate or on the newspaper.
    • Serve with the seafood boil sauce and enjoy!

Nutrition

Calories: 291kcal | Carbohydrates: 6g | Protein: 1g | Fat: 30g | Saturated Fat: 16g | Trans Fat: 1g | Cholesterol: 61mg | Sodium: 103mg | Potassium: 122mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1741IU | Vitamin C: 4mg | Calcium: 41mg | Iron: 1mg