Koch-Wiki is a free, independent German-language online collection of recipes and practical knowledge about cooking and baking. Its community invites users to contribute their favorite recipes after registering, and the site reports more than 11,000 recipes, with new entries added regularly. The collection covers a wide range of food, including vegetarian and vegan dishes, soups, salads, meat and fish meals, pasta, baked goods, desserts, drinks, and international cuisine.

Beyond recipes, Koch-Wiki provides information on ingredients, cooking techniques, preparation methods, kitchen utensils, presentation, wines, and other beverages. Its seasonal calendars help visitors find timely ideas for produce, herbs, fruit, mushrooms, fish, and game. A refrigerator search tool can identify recipes based on ingredients users already have at home. The site also features recipe videos, cooking tips, food-related news, literature recommendations, and a space for questions and discussion. With categories spanning everyday meals, festive cooking, and cuisines from around the world, Koch-Wiki serves as a collaborative resource for home cooks seeking inspiration and culinary guidance.