There's a buzz in Southern Florida as Invention Hunters Steve Greenberg and Patrick Raymond search out the next million-dollar food innovation. Will it be the Knife and Forklift, which promises its users they will eat slower; Sauce Melts, which are pre-packaged "sauce" slices; or the traveling coffeemaker, the Travesso, that gets the green light? Only one will be pitched to buyers, giving the inventor the opportunity to get the product on store shelves around the country.