My great-aunt made this every Sunday during the depression and the tradition lives on in our family. So simple but the flavors are unreal!

onions over the potatoes. Sprinkle a teaspoon or so of the flour mixture evenly over the onions.

Dot a few small pieces of butter (about 1 tablespoon total) over the top of the flour and onions. This helps the top of each layer get that buttery, golden finish as it cooks.

Repeat the layers—potatoes, onions, a light sprinkle of the flour mixture, and small dots of butter—until you’ve used all of the potatoes and onions. Try to finish with a potato layer on top, then dot the remaining butter all