Vogel's fiance, John Michael Keyser, told NorthJersey.com that the chef's "heart gave out" while receiving treatment for colitis at a local hospital. Colitis is a disease which causes inflammation in the digestive tract. Vogel studied culinary arts at Johnson & Wales. She auditioned for the Gordon Ramsay-hosted show while working at a creperie and bakery in California, NorthJersey.com reported. She also worked as a pastry chef for chef Christine Nunn at Grange in Westwood. She recently worked as the executive chef of Black Rebel Burger in Hackensack, N.J. before it shut down last year. "When she set her mind on...