The term BLACKEN, AS A STEAK can be solved by the crossword solutions CHAR and SEAR. Charring a steak is a cooking technique that involves heating the steak over an open flame or hot surface until it is blackened. Searing a steak is a cooking technique that involves quickly cooking the steak in a hot pan or on a grill to create a flavorful crust. Both techniques are used to enhance the flavor of the steak.