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A close up shot of a vibrant red seafood boil sauce recipe in a glass bowl surrounded by lemon wedges

The Ultimate Garlic Butter Seafood Boil Sauce


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  • Total Time: 25 minutes
  • Yield: 4 cups 1x

Description

A rich, spicy, and deeply aromatic garlic butter sauce designed to coat shrimp, crab, and potatoes for an authentic seafood boil experience.


Ingredients

Scale

2 cups (4 sticks) Unsalted Butter
2 medium Yellow Onions, finely diced
1/2 cup Garlic, minced (about 2 heads)
4 tablespoons Old Bay Seasoning
2 tablespoons Cajun Seasoning
1 tablespoon Smoked Paprika
1 tablespoon Lemon Pepper
1 tablespoon Brown Sugar
1 tablespoon Cayenne Pepper (adjust for heat)
2 tablespoons Fresh Lemon Juice
1/2 cup Seafood cooking liquid (or chicken broth)
Hot sauce to taste


Instructions

Step 1: Melt the unsalted butter in a large skillet or saucepan over medium-low heat until fully liquid.
Step 2: Add the finely diced onions to the butter. Sauté for 5-7 minutes until the onions are soft and translucent.
Step 3: Stir in the minced garlic and cook for 1-2 minutes until fragrant, being careful not to let it brown.
Step 4: Add the Old Bay, Cajun seasoning, smoked paprika, lemon pepper, brown sugar, and cayenne. Whisk continuously for 2 minutes to bloom the spices.
Step 5: Pour in the lemon juice and the seafood cooking liquid (or broth). Whisk to emulsify the sauce.
Step 6: Reduce heat to low and simmer for 5 minutes. Stir in hot sauce if desired and serve warm.

Notes

For the best results, use fresh lemon juice rather than bottled. If the sauce separates, whisk in a tablespoon of warm water to bring it back together.

  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Category: Sauces Dressings & Condiments
  • Cuisine: American / Southern

Nutrition

  • Serving Size: 2 tablespoons
  • Calories: 210 kcal
  • Sugar: 2g
  • Sodium: 480mg
  • Fat: 22g
  • Saturated Fat: 14g
  • Unsaturated Fat: 6g
  • Trans Fat: 0.8g
  • Carbohydrates: 4g
  • Fiber: 1g
  • Protein: 1g
  • Cholesterol: 60mg
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