Imo's Pizza's high quality starts with ingredients. From fresh ground meats and their family's homemade sauce to delicious vegetables and full strips of bacon, every topping that covers your crispy, edge-to-edge St. Louis-style pizza is of the highest quality. Authentic St. Louis-style pizza is a thin, cracker-crust covered in edge-to-edge toppings then layered with its key ingredient, Provel cheese.