Cottage pie is one of those dependable dinners that feels like it takes more effort than it actually does. A warm, savory meat filling, a thick layer of mashed potatoes, and a little cheese on top, baked until golden. That’s the whole idea. This version stays mild and family-friendly, the kind of meal that works on a regular weekday, and also holds up when you want something comforting on the table. It’s also a great prep-ahead dish. You can make the filling and mash earlier