Rosemary Scalloped Onions (adapted from Mrs. De Graf’s Cookbook, 1922)

One of the more pleasant surprises in Mrs. De Graf’s Cookbook is a simple recipe for scalloped onions.   The original recipe is written in paragraph form:  heavy on technique but light on amounts and proportions of ingredients.  This should not be intimidating; it should give you confidence that you can’t screw it up.   There are……