My Grandma's Recipe Box

I may have to make this at Christmas.

This is what you do with your milk that goes sour. I imagine that as a child Grandma grew up with access to fresh milk from nearby farms, and when she moved to a small town as an adult, milk was probably delivered to the door a few times a week. Recipes that use ingredients like sour milk help us remember that during the Great Depression nothing was to be wasted.