Potato Casserole - cooking recipe

Ingredients

6 or 8 medium potatoes
1 small onion, chopped
1/2 tsp. celery salt
1 tsp. salt (or to taste)
pepper to taste
garlic salt
1 can cream of mushroom soup
about 1/2 or 1 lb. Velveeta cheese

Preparation

Cook potatoes in water.
Season with salt, pepper, garlic salt and celery salt until almost done.
Drain well.
Put 1/2 of the mixture in a casserole, then add 1/2 can mushroom soup.
Lay 4 or 5 slices of Velveeta cheese over first layer.
Add rest of potatoes and onion.
Spread remaining 1/2 can mushroom soup with 4 or 5 more slices of cheese on top.
Dot top with butter and bake at 300\u00b0 for 20 to 30 minutes.