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A close-up, side-down view of rich, golden crab boil sauce simmering in a pan, with visible garlic, red pepper flakes, and chopped parsley floating on the surface. The sauce has a glossy, buttery texture with a deep, reddish-brown color.

How to Make Crab Boil Sauce: Easy Recipe & Tips


  • Author: Alex
  • Total Time: 25 minutes
  • Yield: Approximately 1.5 cups of sauce 1x
  • Diet: Gluten Free

Description

Crab boil sauce is a rich, buttery, and flavorful sauce that enhances seafood dishes, particularly crab, shrimp, and lobster. Packed with Cajun spices, garlic, and a hint of citrus, this sauce is perfect for dipping or drizzling over your favorite seafood boil.


Ingredients

Scale

Base Ingredients

  • 1 cup (2 sticks) unsalted butter
  • 1 medium onion, finely chopped
  • 8 cloves garlic, minced

Seasonings & Spices

  • 2 tablespoons Old Bay seasoning
  • 1 tablespoon paprika
  • 1 tablespoon Cajun seasoning
  • 1 tablespoon lemon pepper seasoning
  • 1 tablespoon brown sugar
  • 1 teaspoon cayenne pepper (adjust to taste)
  • 1 teaspoon chili powder

Liquids & Enhancers

  • ½ cup chicken broth or seafood stock
  • 2 tablespoons lemon juice
  • 1 tablespoon hot sauce (optional, for extra heat)
  • Salt and freshly ground black pepper, to taste
  • Chopped fresh parsley, for garnish

Instructions

  1. Sauté the Aromatics
    Melt butter in a large skillet over medium heat. Add the chopped onion and cook until soft and translucent, about 3-4 minutes. Stir in the minced garlic and cook for another 1-2 minutes until fragrant.

  2. Toast the Spices
    Add the Old Bay seasoning, paprika, Cajun seasoning, lemon pepper seasoning, brown sugar, cayenne pepper, and chili powder. Stir well and let the spices toast for about 1-2 minutes to enhance their flavors.

  3. Incorporate Liquids
    Pour in the chicken broth (or seafood stock) and lemon juice. Stir continuously to combine all ingredients. If you like extra heat, mix in the hot sauce.

  4. Simmer and Adjust Seasoning
    Allow the sauce to simmer for 5-7 minutes, stirring occasionally, until it slightly thickens. Taste and adjust seasoning with salt and black pepper as needed.

  5. Serve and Enjoy
    Remove from heat and garnish with fresh chopped parsley. Serve warm as a dip or drizzle over seafood for a bold, flavorful experience.

Notes

  • Adjust the heat level by increasing or reducing the cayenne pepper and hot sauce.
  • For a thinner consistency, add more broth or stock.
  • Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat on low heat before serving.
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Category: Sauce
  • Method: Stovetop
  • Cuisine: American, Cajun

Nutrition

  • Serving Size: 2 tablespoons
  • Calories: 150
  • Sugar: 1g
  • Sodium: 180mg
  • Fat: 16g
  • Saturated Fat: 10g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 2g
  • Fiber: 0g
  • Protein: 1g
  • Cholesterol: 45mg

Keywords: crab boil sauce, seafood boil sauce, Cajun butter sauce, garlic butter sauce, spicy seafood sauce