Fiery Cajun Shrimp - cooking recipe

Ingredients

1/2 lb butter, melted
1/2 lb margarine, melted
3 -4 fluid ounces Worcestershire sauce (3/8 to 1/2 cup)
4 tablespoons ground black pepper
1 teaspoon ground rosemary
2 teaspoons Tabasco sauce
2 teaspoons salt (sea salt, is best)
3 minced garlic cloves
4 lemons, 2 juiced and 2 sliced
5 -6 lbs raw shrimp, in their shells

Preparation

Preheat oven to 400 degrees.
In a bowl, mix all the ingredients, except the lemon slices and the shrimp.
Pour about 1/2 cup sauce to cover the bottom of a large baking dish and then arrange layer of shrimp and lemon slices until you come almost to the top of the dish.
Leave about 1\" of headroom.
Pour the remaining sauce over the shrimp and lemon slices.
Bake uncovered, stirring once or twice until the shrimp are cooked throughout, about 15 to 20 minutes.