You know it's a celebration when there's lobster. At Toronto's Rock Lobster Food Co., chef Matt Dean Pettit brings his passion for food and his industry experience to give you simple and comforting seafood dishes. What started as a pop-up event has now evolved into an empire with multiple locations, a wholesale and retail line, and a cookbook. 

To win a $75 gift certificate to Rock Lobster and a copy of The Great Lobster Cookbook, just answer this: 

What are the four main food groups mentioned in the 2003 movie Elf?