Preheat the oven to 350 degrees. Soak your dehydrated potatoes in boiling water for 10 minutes.
|The dehydrated potatoes soaking in hot water.|
Drain and then place them into a 9" x 13" cake pan. Sprinkle the onion on top.
|Cover the bottom of the pan with your potatoes and sprinkle on the onions.|
In a sauce pan, melt the margarine. Once melted, whisk in the flour, salt, pepper, and parsley flakes. Slowly stir in the milk. Bring to a boil and let it boil for 2 minutes. Stir in the cheese.
|Use as much or as little amount of cheese as you desire.|
Now, pour the sauce mixture over the potatoes. Bake for 1 hour. Remove and enjoy!
|The finished dish. You can sprinkle the top with Parmesan cheese if you like.|