Pup 'N' Taco (also spelled with a lower case 'n') was a privately owned chain of fast-food restaurants in Southern California; the chain's headquarters were located in Long Beach, California. The business was begun by in 1956 as a drive-in restaurant that served tacos, hot dogs, and pastrami sandwiches. Russell already owned Big DoNut, a chain of successful doughnut stores in Los Angeles that featured gigantic doughnuts atop a drive-in bakery. The first officially branded Pup 'N' Taco was opened in Pasadena, California in 1965.