Epicurious - Since 1995, Epicurious has been the ultimate food resource for the home cook, with daily kitchen tips, fun cooking videos, and, oh yeah, over 33000 recipes.
ServSafe - offers food and alcohol safety training and certification exams created by food service professionals. The Cook's Thesaurus - is a cooking encyclopedia that covers thousands of ingredients and kitchen tools. Entries include pictures, descriptions, synonyms, pronunciations, and suggested substitutions.