Prep Time 20 minutes mins
Cook Time 1 hour hr 25 minutes mins
Total Time 1 hour hr 45 minutes mins
For best results, slice potatoes evenly so they cook at the same rate. Grate your own cheese for smoother melting. Let the casserole rest 10 minutes after baking before serving. This dish can be assembled the night before and refrigerated unbaked. Freeze fully baked portions for up to 3 months.