Cheesy potato beef bake
| 1 lb Ground beef |
| 2 cans (4oz each) Mushroom stems and pieces, drained |
| 2 (5 1/4 oz) packages Au gratin potatoes |
| 4 cups Boiling water |
| 1 1/3 cup Milk |
| 2 teaspoon Butter |
| 1/2 teaspoon Salt |
| 1/2teaoon Seasoned salt |
| 1/2 teaspoon Pepper |
| 1cup (4 oz) Shredded cheddar cheese |