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

User Reviews

5

54 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    10 mins

  • Total Time

    15 mins

  • Servings

    8

  • Calories

    291 kcal

  • Course

    Condiments

  • Cuisine

    American

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

This Cajun Seafood Boil Sauce features a rich blend of butter, olive oil, garlic, and spices like Old Bay seasoning, paprika, cayenne pepper, and lemon juice. The sauce is cooked low and slow to meld flavors, producing a thick, spicy, and aromatic accompaniment to a seafood boil. The seafood boil itself involves boiling potatoes, corn, smoked sausage, clams, crab, and shrimp in a seasoned broth before draining and serving with the sauce.

Description

The detailed Cajun Seafood Boil Sauce recipe starts by sautéing finely diced onions and minced garlic in melted butter and olive oil, combining fragrant aromatics with fat. A mixture of spices—Old Bay seasoning, lemon pepper, paprika, cayenne, and red pepper flakes—along with lemon juice and brown sugar are added and simmered gently. Additional butter and chicken broth are incorporated to create a rich, slightly thickened sauce that carries heat and zest.

The accompanying seafood boil is prepared by boiling water with Old Bay, lemon slices, and garlic, then adding baby potatoes, corn, smoked sausage, and assorted seafood in stages to cook just until done. The varied cooking times ensure tender potatoes, corn with slight crunch, smoky sausage, and perfectly cooked crustaceans.

Serving involves draining the boiled ingredients and plating them, traditionally on newspaper or a large dish, with the flavorful Cajun sauce poured over or served alongside as a dip. This combination results in a festive, spiced meal that highlights the seafood's natural sweetness balanced by the buttery, spicy sauce.

To avoid bitterness, it is important to cook the sauce on low to medium-low heat, preventing overbrowning of onions and garlic. Adjust the cayenne and red pepper flakes to your preferred spice level, and store leftover sauce in an airtight container refrigerated for up to a week.

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Ingredients

Servings
  • 1 cup butter divided, unsalted
  • 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

  1. In a medium saucepan over medium-low heat, add 1/2 cup of butter and oil.
  2. 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.)
  3. Add garlic and sauté until fragrant, about 1 minute.
  4. Add Old Bay seasoning, lemon pepper, paprika, cayenne pepper, red pepper flakes, lemon juice, and brown sugar. Mix together.
  5. Turn the heat to low and add the remaining butter.
  6. Simmer until the butter is melted, stirring constantly.
  7. Add chicken broth and cook for a few minutes until the sauce is slightly thickened.
  8. Remove from heat. Pour the sauce over your favorite seafood boil or serve it as a dipping sauce.
Equipments used:

Notes

  • Cook the sauce on medium-low or low heat to avoid burning the garlic and onions, which can cause bitterness.
  • Adjust red pepper flakes and cayenne pepper to match your preferred spice level.
  • Store leftover sauce in an airtight container in the refrigerator for up to one week.
  • For the seafood boil, add ingredients to boiling water in stages to ensure even cooking of potatoes, corn, sausage, and seafood.

Nutrition Information

Show Details
Calories 291kcal (15%) Carbohydrates 6g (2%) Protein 1g (2%) Fat 30g (46%) Saturated Fat 16g (80%) Trans Fat 1g (50%) Cholesterol 61mg (20%) Sodium 103mg (4%) Potassium 122mg (3%) Fiber 1g (4%) Sugar 2g (4%) Vitamin A 1741IU (35%) Vitamin C 4mg (4%) Calcium 41mg (4%) Iron 1mg (6%)

Nutrition Facts

Serving: 8Serving

Amount Per Serving

Calories 291 kcal

% Daily Value*

Calories 291kcal 15%
Carbohydrates 6g 2%
Protein 1g 2%
Fat 30g 46%
Saturated Fat 16g 80%
Trans Fat 1g 50%
Cholesterol 61mg 20%
Sodium 103mg 4%
Potassium 122mg 3%
Fiber 1g 4%
Sugar 2g 4%
Vitamin A 1741IU 35%
Vitamin C 4mg 4%
Calcium 41mg 4%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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