This handwritten recipe was written on the back of scrap office paper and dates 1991 (based on information printed on the back). I’ve typed the recipe below along with a scanned copy.
Baked Walleye
1 can cream mushroom soup
1 8 oz. sour cream
—mix together
4 fish fillets
Line bottom with fish and top with soup mixture.
Bake 45 Min. or til done. 350°
Top with mushrooms or dried onion rings before baking.