<P> Doritos are sold in many countries worldwide in assorted flavors . They launched nationally in the United States in 1966 , with only one flavor : toasted corn . The product proved successful , but additional market research revealed that many consumers outside the Southwest and West considered the chip to be too bland and not spicy enough for what was perceived as a Mexican snack . Frito - Lay therefore developed taco - flavored Doritos , which also became successful after they were introduced nationally in 1967 . National distribution of nacho cheese - flavored Doritos began in 1972 , and were also a hit . For a short run in the late 1970s , Sour Cream and Onion flavored Doritos were available , but were discontinued in the early 1980s . A Sesame seed flavored chip was also available for a short time in the late 1970s . In 1986 , Cool Ranch Doritos made their debut and also became popular . Cool Ranch Doritos are sold under the name `` Cool Original '' in the UK and are called `` Cool American '' elsewhere in Europe , as ranch dressing is less common in those places . </P>
<P> Doritos are sold in many countries worldwide in assorted flavors . They launched nationally in the United States in 1966 , with only one flavor : toasted corn . The product proved successful , but additional market research revealed that many consumers outside the Southwest and West considered the chip to be too bland and not spicy enough for what was perceived as a Mexican snack . Frito - Lay therefore developed taco - flavored Doritos , which also became successful after they were introduced nationally in 1967 . National distribution of nacho cheese - flavored Doritos began in 1972 , and were also a hit . For a short run in the late 1970s , Sour Cream and Onion flavored Doritos were available , but were discontinued in the early 1980s . A Sesame seed flavored chip was also available for a short time in the late 1970s . In 1986 , Cool Ranch Doritos made their debut and also became popular . Cool Ranch Doritos are sold under the name `` Cool Original '' in the UK and are called `` Cool American '' elsewhere in Europe , as ranch dressing is less common in those places . </P>
when did cool ranch doritos tacos come out
when did cool ranch doritos tacos come out
1986
1986