50 Wonderful Ways to Use Lucerne Sour Cream is a promotional cookbook created by the American Dairy Association in collaboration with Lucerne Foods, highlighting the versatility of their sour cream product. The book provides fifty different recipes, showcasing how sour cream can be incorporated into various dishes, from appetizers and main courses to salads, snacks, and desserts. The recipes range from simple dips and spreads to more complex casseroles and baked goods, demonstrating how sour cream can add flavor, richness, and creaminess to any meal.In addition to offering practical and creative ways to use sour cream, the cookbook emphasizes the health benefits of dairy products and the importance of using high-quality ingredients. It reflects the growing trend in the 1930s of using convenient, branded food products in everyday cooking, and serves as both a culinary guide and a marketing tool for Lucerne Foods. 50 Wonderful Ways to Use Lucerne Sour Cream remains a charming example of early 20th-century food promotion, illustrating the ways companies marketed their products through recipe books.