Sandwich breads are an important part of making a sandwich. Rye bread and pita bread are two popular types of bread used to make sandwiches. Rye bread is a type of bread made with rye flour, which is a type of flour made from rye grain. Pita bread is a type of flatbread made from wheat flour that is usually cut into two halves. Both rye bread and pita bread are commonly used to make sandwiches.