January 2nd National Buffet Day recognizes a popular dining for Americans. The buffet offers a variety of selections, making it possible for every member of the family to find what they want to eat, serving food choices in a central location. Patrons view & select the food to serve themselves. Buffets are useful for feeding large groups of individuals at one time. Hotels, restaurants & conventions offer buffets to their customers. Person eating breakfast buffet. Drinking Coffee and Tea.