Preheat oven to 400 degrees. Slice 2 lemons and place at the bottom of your baking dish. In a separate bowl combine shrimp, olive oil, rosemary, salt, pepper and lemon juice. Place shrimp on top of the lemon slices without overlapping. Sprinkle chopped garlic over shrimp. Bake uncovered for 8-10 minutes. Serve with pasta, rice or salad. Serves 2.