|Milk||2 1⁄2 Cup (40 tbs)|
|Potato chips||3 1⁄8 Ounce, crushed (1 Package)|
|Canned tuna||14 Ounce, flaked (2 Cans, 7 Ounce Each)|
|Cooked sliced mushrooms||3⁄4 Cup (12 tbs)|
1. Melt butter in a saucepan over low heat, blend in flour and pepper, add milk gradually, stir and cook until thickened.
2. Combine 3/4 of potato chip crumbs with fish, mushrooms and sauce.
3. Pour into greased casserole; cover with remaining potato chips.
4. Bake in moderate oven (350°F.) 30 minutes.