Scalloped Potatoes With Ham with swiss

4 large baking potatoes , peeled and sliced thin 1 medium onion , sliced very thin 1 cup swiss cheese , shredded 4 -6 ounces Canadian bacon or 4 -6 ounces ham[...]

2 tablespoons butter 2 tablespoons all-purpose flour 2 1/2 cups milk 4 ounces herbed cream cheese 3/4 cup grated swiss cheese (grated) 1/2 teaspoon salt (or[...]