A crispy sandwich is a type of sandwich that is made with crunchy ingredients such as chips, crackers, or toast. Nachos (6 letters) are a popular snack food made from tortilla chips and melted cheese, and they can be used to make a crispy sandwich. Saltines (8 letters) are a type of cracker that can also be used to make a crispy sandwich. Finally, a BLT (3 letters) is a classic sandwich made with bacon, lettuce, and tomato, and it can also be made into a crispy sandwich.