Potato Lunch Casserole

• 5 lbs baking potatoes, scrubbed and sliced 1/4 inch thick but do no peel
• 12 cup margarine
• 2 cups water
• 2 (1 ounce) envelopeslipton dry onion soup mix (I use the onion mushroom flavor)
• 1 cup diced onion
• 1 cup diced celery
• 8 white button mushrooms, grated

1. Arrange potatoes in greased 9x13 pna.
2. Sprinkle the mushrooms, onions and celery over the top of the potatoes evenly.
3. Set aside.
4. Combine margarine, water, dry soup mix and bring to boil.
5. Pour over potatoes.
6. Cover tightly with foil and bake at 350 for one hour or until potatoes are tender.

baking potatoes, margarine, water, onion soup, onion, celery, white button mushrooms

Taken from www.food.com/recipe/potato-lunch-casserole-325683 (may not work)