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crawfish boil with sauce piled on newspaper

Homemade Crawfish Boil with Garlic Butter Sauce

Master the perfect crawfish boil with simple techniques, bold Cajun seasoning, and a garlic butter sauce that transforms this Southern classic into a crowd favorite.
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Prep Time: 15 minutes
Cook Time: 1 hour
Course: Main Course
Cuisine: Cajun
Servings: 6 people
Calories: 749kcal
Author: Marwin Brown

Ingredients

For The Boil

  • 3 lbs Frozen crawfish defrosted
  • 1 lb Andouille sausage cut into quarters
  • 6 Frozen Corn Cob nibblers
  • 1 lbs New Potatoes
  • 4 Garlic Bulbs
  • 2 Yellow Onions quartered
  • 5-6 Bay Leaves
  • 3 Lemons halved
  • 3 Oranges halved
  • 1 cup Cajun seasoning
  • 1 cup Lemon Pepper Seasoning
  • 1 cup Old Bay Seasoning
  • 1 quart beer
  • Water

For the garlic butter sauce:

  • 2 sticks of butter
  • 8 cloves of garlic minced
  • 1 lemon juiced
  • 1 teaspoon lemon zest
  • 2 shallots diced
  • 3 Green Onions white parts
  • ⅓ cup Fresh Parsley chopped
  • 2 tablespoon Creole Seasoning
  • 1 tablespoon Lemon Pepper Seasoning

Instructions

  • Bring water and beer to a rolling boil.
  • Season with the citrus, onions, garlic, bay leaves, and spices
  • Add the potatoes first and cook until fork tender about 20-25 minutes depending on size
  • Add sausage once the potatoes begin to soften and cook another 10 minutes.
  • Add crawfish then allow to soak off-heat 30 minutes in the seasoned liquid for deeper flavor.
  • Add the corn and continue allowing to rest 5-10 minutes

For the Sauce

  • While the boil rests, make the garlic butter sauce by sautéing shallots and green onions for 1-2 minutes. Add garlic and continue cooking for 30 seconds.
  • Add butter then stir in parsley, lemon juice, zest, and spices.
  • Drain the boil and toss everything generously with the sauce.

Video

Notes

  • Add potatoes first. Potatoes act like little flavor sponges and benefit from extra time in the seasoned liquid.
  • Let the crawfish soak after cooking. This is the most important step. A 20 to 30 minute soak allows the seasoning to penetrate the shells and infuse the meat.
  • Taste and adjust the boil liquid before adding crawfish. If the broth tastes flat, the finished boil will too. Add more seasoning while the water is still boiling.
  • Finish with a seasoned garlic butter sauce. Tossing the crawfish, corn, potatoes, and sausage in garlic butter creates a second layer of flavor that clings to every bite.
  • Balance heat with acidity. Fresh lemon juice brightens the rich seafood flavors and helps the spices pop without overwhelming the crawfish.
  • Season in layers. Add Cajun seasoning to the boil, the soak, and the butter sauce.
  • Do not rush the resting period. After tossing everything in the butter sauce, let it sit for a few minutes before serving so the flavors can settle and coat every ingredient evenly.

Nutrition

Calories: 749kcal | Carbohydrates: 102g | Protein: 34g | Fat: 28g | Saturated Fat: 9g | Polyunsaturated Fat: 7g | Monounsaturated Fat: 10g | Trans Fat: 0.2g | Cholesterol: 103mg | Sodium: 700mg | Potassium: 2337mg | Fiber: 27g | Sugar: 20g | Vitamin A: 10821IU | Vitamin C: 107mg | Calcium: 449mg | Iron: 15mg
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