MARINADE: Combine evaporated milk, lemon juice and garlic in a medium bowl. Place lamb chops in marinade, cover and refrigerate for 1-4 hours. Remove lamb from marinade. Wipe off excess marinade. Discard all leftover marinade.
SPICE RUB: Combine all ingredients for spice rub. Sprinkle chops with prepared rub.
Preheat broiler. Place lamb chops on a lightly greased broiler pan, 4-5 inches from heat, turning over once, for medium rare, 6-7 minutes in total.