It's obvious that you're a young'un. Before the dot, there was the little packet from which you sprinkled the coloring powder into the white stuff; that was during WWII. And it wasn't encased in a plastic bag either; you had to mix it with a wooden spoon or with your hands!
Wow....bet you remember dinosaurs, too. :-)
my mother, or grandmother, would sit me on a basket on the counter or table ~ and they’d color the margarine. memory just doesn’t go back much further............