Attention pizza lovers, get ready to celebrate National Deep Dish Pizza Day.

The first trademark of a deep dish pizza is its thick, buttery crust.

The pizza is typically constructed upside down with the cheese on the bottom and the sauce on top. 

Toppings like meatballs, pepperoni or sausage, are tucked below the sauce.

Cheese is layered underneath the meat toppings and then the pizza is baked in a round, deep pan.

The end result is a delicious slice of pizza.  

Deep dish style pizza is often associated with Chicago where the pizza was first created by Rick Riccardo, the founder of UNO's .