Sandwiches are loved by one and all! They are very easy to make, as all you need to do is simply stuff the ingredients between the bread or bun slices. There are various types of sandwiches, and pastrami sandwich is very popular among these. Pastrami is processed meat (pork, beef, mutton, or turkey) that is seasoned with herbs and spices. Pastrami slices, cheese, onion rings, mustard, mayonnaise, etc., are some of the basic ingredients of this sandwich.