Peel shrimp and clean. Heat fry pan and add butter and olive oil. When fat is bubbly,toss in the shrimp and cook quickly for about 5 minutes,giving them an occasional stir, then season with salt and pepper. With a slotted spoon,lift shrimp onto a heated serving dish. Stir minced garlic and chopped parsley into hot fat and cook a minute longer. Pour this sauce over the shrimp and serve to 6.