Homemade ice cream is a treat many of us look forward to in summer. But each year that same treat causes many cases of Salmonella. The ingredient responsible? Usually raw or undercooked eggs. Eggs are a standard ingredient in most homemade ice cream recipes. They add flavor and color, prevent ice crystallization, and make for that smooth and creamy texture. To prevent this ingredient from causing harmful infections, just follow these guidelines for safe cooking and handling.