This pie originally appeared in Irma’s 1939 cookbook Streamlined Cooking, her paean to the convenience of canned foods. Dress this up or down as you see fit, but do not deny the genius of shingling a pie with buttered toast squares!
Preheat the oven to 400°F.
Combine in a large skillet over medium heat:
Cook, breaking up the beef with a wooden spoon, until it is browned and the onion softened, about 10 minutes. Stir in and cook, stirring, 1 minute:
Stir in, bring to a simmer, and cook 3 minutes:
Season to taste with:
Transfer the mixture to a 9-inch glass pie pan or an 8 × 8-inch baking dish. Trim the crusts from:
Spread one side of the slices with:
Cut each bread slice into 4 equal squares. Arrange the bread buttered side up over the meat mixture, overlapping the pieces by about ½ inch and covering the mixture completely. Gently press the bread down to anchor it to the filling. Bake until the crust is browned, 12 to 15 minutes.