Step 1 : Introduction to the question "Which pizza franchise began in a converted broom closet?"
...Papa’s John’s pizza began in a converted broom closet is today a multibillion-dollar company. John Schnatter loved making and selling pizzas. After college, while running a bar with his father, he decided to turn the bar's broom closet into a pizza business. He purchased used restaurant equipment and began making and selling pizzas to the bar's customers. Today, Papa John's pizza shops serve up freshly made pizza around the globe. Source: BusinessInsider.com