This is my Aunt Elaine’s four-ingredient potato au gratin cup recipe, copied straight from her handwritten card dated 1958. She made these tidy little portions in a muffin tin for every bridge club meeting, because they were elegant enough for company but simple enough to pull together between hands.
Thinly sliced potatoes, real cream, a touch of onion, and a generous blanket of cheese bake into individual, golden, bubbling cups with beautifully browned tops. If you like the nostalgia of mid-century cooking but want something that still feels practical today,
