The term 'SANDWICH FAVORITE' can be broken down into four crossword solutions: HAM (3 letters), TUNA (4 letters), HAMONRYE (8 letters), and HAMANDCHEESE (12 letters). These solutions refer to popular sandwich ingredients, with HAM referring to the cured meat, TUNA referring to the fish, HAMONRYE referring to a combination of HAM and rye bread, and HAMANDCHEESE referring to a combination of HAM and cheese. All of these ingredients are commonly used in sandwiches, making them favorites among sandwich lovers.