Supreme Crawfish Étouffée | Supreme Rice

Ingredients

• 1 pound unsalted butter
• 2 cups diced yellow onion
• 1 cup diced green bell pepper
• 1 cup diced celery
• 1 tablespoon minced garlic
• 1 (8-ounce) package Crawfish Puree, optional (see Notes)
• 1 teaspoon cayenne pepper
• 2 pounds Louisiana crawfish tail meat
• 2 tablespoons all-purpose flour
• 1 cup crawfish stock or seafood stock
• Kosher salt and freshly ground black pepper
• Dash of hot sauce
• ¼ cup chopped flat-leaf parsley
• 1 cup diced green onion tops
• 4 cups cooked Louisiana long-grain white rice, such as Supreme