I must say - it’s very similar, yes! The russet potatoes are sliced the same way and this casserole also replicates the same decadent creamy sauce and layering of ingredients as a traditional potato au gratin recipe.u003cbr/u003eu003cbr/u003eThe main difference with this cheesy ham and potato casserole is the addition of ham. The salty ham adds another level of flavor to the casserole, offering a more hearty meal.