An informal eatery is a type of restaurant that is typically more casual than a traditional restaurant. Common examples include cafeterias, bistros, diners, trattorias, cafes, bar and grills, and greasy spoons. Cafeterias are usually self-service restaurants with a variety of food options. Bistros are small restaurants that serve simple meals. Diners are often open late and serve classic American dishes. Trattorias are Italian restaurants that serve pasta and other Italian dishes. Cafes are small restaurants that serve coffee and light snacks. Bar and grills are restaurants that serve both food and drinks. Greasy spoons are small, informal restaurants that serve simple, inexpensive food.