Drive down historic Southwest Boulevard and you’ll pass the storefronts and symbols of some of Kansas City’s most recognizable brands. A brightly painted 60,000-square-foot building at 111 Southwest Blvd. is home to one of those icons—20-year-old foods manufacturer Original Juan Specialty Foods. Although the company now manufactures more than 150 products under 13 different brands, Original Juan is perhaps best known for its own lines of award-winning hot sauces and…