1 can cream of mushroom soup
1 tbsp. mustard
2 tsp. Worcestershire sauce
1 tsp. prepared horseradish (opt.)
1 1/2 lbs. ground beef
1 egg
1/4 c. dry bread crumbs
1/4 c. chopped onion
1/2 tsp. salt, pepper
1/2 c. water
2 tbsp. parsley

Combine soup, mustard, Worcestershire sauce, and horseradish. Blend well and set aside. Combine remaining ingredients except water and 1/4 cup soup mixture. Shape into patties and brown; drain. Add soup mix and water and pour over patties. Cook over low heat, adding water if necessary. Just before serving add 1 jar drained, sliced mushrooms.