Gerber sandwich or "Famous Gerber sandwich" is an open faced sandwich popular in St. Louis, Missouri. The Gerber consists of a half section of Italian or French bread, spread with garlic butter, and topped with ham, Provel or Provolone cheese and seasoned with a sprinkling of paprika and then toasted.First made famous by the family-owned Ruma's Deli, the sandwich has been duplicated by many other St. Louis restaurants.Gerber sandwiches are the second most common hot food associated with Provel after St. Louis-style pizza. More commonly available sliced cheeses such as mozzarella slices, white American cheese, or provolone may be used to create something similar to this St. Louis favorite anywhere.