1 can cream of mushroom soup
1 can milk (that the mushroom soup came in)
2 cans tuna fish
3 tbsp. mayonnaise
3 tbsp. Parmesan cheese
1 can peas (optional)
Pepper
1/2 pkg. elbow macaroni

Mix ingredients. Add macaroni after boiled. Mix. Cover with crushed potato chips (large package). Bake at 350 degrees for 30 minutes.