Crawfish Etouffee

Ingredients

• 1 stick unsalted butter
• 2 tablespoons all-purpose flour
• 1 cup chopped yellow onions
• 1/2 cup chopped celery
• 1/2 cup chopped green bell peppers
• 1/4 cup chopped green onions
• 1 tablespoon minced garlic
• 2 bay leaves
• 1 teaspoon salt
• 1/4 teaspoon cayenne
• 2 tablespoons dry sherry
• 1 1/2 cups shrimp stock or water
• 1 pound crawfish tails
• 2 teaspoons fresh lemon juice
• 3 tablespoons chopped fresh parsley leaves, plus more for garnish
• Cooked long grain white rice, accompaniment