Courtesy Harley Pasternak
Harley Pasternak is a celebrity trainer and nutrition expert who has worked with stars from Halle Berry and Lady Gaga to Robert Pattinson and Robert Downey Jr. He’s also a New York Times best-selling author, with titles including The Body Reset Diet and The 5-Factor Diet. His new book 5 Pounds is out now. Tweet him @harleypasternak.
Meat substitutes are rarely convincing as meat — have you ever had a veggie burger you mistook for beef? — but Beyond Burger is changing the game.
Alex Guarnaschelli is an Iron Chef, Food Network celebrity chef, author of Old-School Comfort Food and the executive chef at New York City’s Butter restaurants. Read her PEOPLE.com blog every Tuesday to get her professional cooking tips, family-favorite recipes and personal stories of working in front of the camera and behind the kitchen doors. Follow her on Twitter at @guarnaschelli.