Much like fashion or beauty, the epicurean world ebbs and flows. Certain ingredients or techniques fade away into obscurity while others suddenly come to the culinary forefront.

This year it was all about the pig — using the whole thing, from snout to tail. Exotic berries from goji to acai were all the rage. Ingredients with health benefits, such as antioxidant-rich fruits, continued to gain momentum. Which of these items do think is the Best of 2008?