In a large saute pan, over medium heat, melt the butter. Add the onions. Season with salt and pepper. Saute for 2 minutes. Stir in the garlic and continue to saute for 1 minute. Season the crawfish with Essence. Add the crawfish to the onions. Continue to saute for 2 minutes. Stir in the cream. Season with Worcestershire Sauce and hot sauce. Bring the liquid to a simmer and cook for 4 minutes. Reseason if necessary. Stir in 2 tablespoons of the parsley. Remove from the heat. Spoon the crawfish sauce in the center of each puff pastry. Garnish with the remaining parsley and cheese.
Yield: 6 servings