Dust with thin coating of flour. Use a combination of oil and butter to prevent burning. Cook quickly at medium high temperature until brown. For Broiling Thaw lobster tails, they will be more tender than those cooked frozen. Insert point of kitchen shears between meat and hard shell on back.
Clip shell down center, leaving fan tail intact.
Do not remove underside membrane. Gently open shell, separating it from the meat. Lift raw tail meat through split shell. Arrange lobster tails, membrane side up in shallow pan with a small amount of water in bottom of pan to prevent drying. Broil 4 inches from heat regardless of size.