Ponderosa Steakhouse is a steakhouse that started out as the Bonanza Steakhouse and was founded in 1963 by Dan Blocker, the actor who played 'Hoss' on the Bonanza TV show. Three years later, the small chain was sold to the Wyly brothers, who again sold it to new owners that changed the name to Pondersa. It not only offers steak but it offers a buffet as well. There are currently around 67 locations in the United States. It has its headquarters in Plano, Texas, and. Ponderosa Steakhouse sells not only steaks but also offers a wide selection of steak, seafood and salad on their expansive menu.