St. Louis-style pizza is a distinct style of pizza popular in St. Louis, Missouri, and surrounding areas.[citation needed] The definitive characteristics of St. Louis-style pizza are a super-thin yeast-less crust, the common (but not mandatory) use of Provel processed cheese, and pizzas cut into squares or rectangles instead of large wedge shaped slices. Provel is a trademark for three cheeses fused to form one (provolone, Swiss, and white Cheddar), used instead of (or, rarely, in addition to) the... Mehr