A "spicy" ranch flavored cereal...
And "cool" ranch flavored chips
Flavor was a term used to describe the taste of a certain food. Flavors could be sweet, pungent, spicy, bitter, salty, or sour, among others.
In 2287, when Spock tried Doctor Leonard McCoy's personal recipe of southern baked beans, he admitted to liking the flavor, saying that it was "surprisingly good." (Star Trek V: The Final Frontier)
According to the commercial, the Tribbles cereal came in at least three flavors: Original, Hairy Berry and Spicy Ranch. (ST: "The Trouble with Edward")