1. Bring water and salt to a boil in a large pot. Add lobster tail. 2. Return water to boiling. Cover and reduce heat; simmer 10 minutes, drain. 3. Slice thin under-shell of tail down the middle and gently press open tail; trim away shell, as needed. Pull meat out of tail to expose. 4. Place tail on broiler rack in oven or on grill. Season with I Can’t Believe It’s Not Butter spray. 5. Broil or grill 3-inches from heat until hot, approximately 2 to 3 minutes. 6. Serve with lemon.