Lipids are fats. Many foods contain fats. Most meat, poultry,  seafood, and even fish. Most dairy products contain fats unless  stated nonfat.In their natural state dairy … contains fat. Cooking  and salad oils contain fat. Eggs also contain fat-only the yolk.  also junk food like chips, soda and cakes ect.any foods contain fats. Most meat, poultry,  seafood, and even fish. Most dairy products contain fats unless  stated nonfat. In their natural state dairy … contains fat. Cooking  and salad oils contain fat. Eggs also contain fat-only the yolk.  also junk food like chips, soda and cakes ect.