 Other filled milk products with substituted fat are used to make ice cream, sour cream, whipping cream, and half-and-half substitutes among other dairy products.Coconut oil filled milk became a popular cost-saving product sold throughout the United States in the early 20th century.Coconut oil could be cheaply imported, primarily from the Philippines (at the time under American rule), and this product was able to undercut the market for evaporated and condensed milk.