Since 1920. Savory heat with a tangy twist. Frank's RedHot Chile 'n Lime Hot Sauce is a party-hearty surge of flavor. A heat wave of chile and spice blended with a tangy burst of citrus, it's a match made in hot sauce heaven! www.franksredhot.com. For recipes, visit www.franksredhot.com. Questions? Comments? Call toll-free 1-800-841-1256. Made in USA. Frank's RedHot Chile 'n Line Hot Sauce is a party-hearty surge of flavor. A heat wave of chile and spice blended with with a tangy burst of citrus, it's a match made in hot sauce heaven!