"Fourth ingredient in a classic three-ingredient sandwich " NYT crossword answer is:MAYO (4 letters length)
The answer for "Fourth ingredient in a classic three-ingredient sandwich " crossword clue is listed above to help you solve the puzzle you are currently working on.
The fourth ingredient in a classic three-ingredient sandwich is often a condiment such as mayonnaise, mustard, or ketchup. These condiments add flavor and texture to the sandwich, making it more enjoyable to eat. They can also help to keep the sandwich together and prevent the ingredients from slipping out. Some people even like to add a fourth ingredient such as lettuce, tomato, or pickles to their sandwich for an extra layer of flavor.