1 1/2 lbs. ground beef
1/2 c. bread crumbs
1/2 c. chopped green onion
1/4 c. catsup
1 tbsp. horseradish
1/2 tsp. salt
1 egg
Cheese slices

Mix all ingredients except cheese. Shape into 4 patties. Grill on medium. Turn once, 5 to 10 minutes each side. Top with cheese slices when done.