Thaw frozen cooked lobster in the refrigerator overnight
Remove lobster meat from the shell if possible
Steam lobster for 3 to 5 minutes until just warmed through
Reheat in a covered skillet with a little butter over low heat for 3 to 4 minutes
Bake in a covered dish at 300°F for 8 to 10 minutes
Microwave on low power in short 20 to 30 second intervals
Stop reheating as soon as the lobster is warm
Avoid overcooking to prevent tough meat
Serve immediately after reheating