Knäckebröd is a traditional Swedish crispbread made from rye flour, water, and salt. It is known for its hard, dry texture and is often baked until it becomes very crisp. This bread has a long shelf life, making it a popular choice in Scandinavian countries for centuries. Typically enjoyed as a snack or part of a meal, Knäckebröd can be topped with various ingredients such as cheese, butter, or spreads. It is a versatile food that pairs well with both sweet and savory toppings, making it a staple in many Swedish households.