Mom'S Tuna Casserole
["8 oz. egg noodles", "1 (10 3/4 oz.) can cream of mushroom soup", "1 small (4 oz.) can mushroom stems and pieces with juice", "1 small onion, chopped", "1 (6 oz.) can tuna", "1/4 c. mayonnaise", "8 oz. sharp Cheddar cheese, grated and divided"]
["Cook macaroni according to directions; drain well.", "Add all the other ingredients together, except half of the grated cheese. Stir macaroni and remaining ingredients well; put in a 9 1/2 x 11-inch baking dish.", "Top with remaining cheese.", "Bake at 350\u00b0 for 30 to 40 minutes, until cheese on top is well melted."]
["egg noodles", "cream of mushroom soup", "mushroom stems", "onion", "tuna", "mayonnaise", "Cheddar cheese"]