2 tbspn butter, 1/2 cup mayonnaise, 1/2 chopped onion, 1/2 cup sour cream, 7&1/2 oz can mushrooms, 1/2 cup grated sharp cheese, 15 oz can asparagus tips, 1 tbspn mustard, 2 cups cubed ham, 1/2 cup grated cheese.
Method: Fry onion in butter in a frypan until tender, stir in next 7 ingredients. Pour into a greased 3 pint casserole and sprinkle with last 1/2 cup cheese. Place under griller for 5 minutes until browned and heated through.
Source: contributed by Dora Zacher in Blyth Recipe Book: Favourite Tested Recipes of the Blyth Trinity Lutheran Ladies Guild (Blyth Womens Guild, 1972), p.5.