From the Kitchen of:  Bonnie

Source:  Country Woman

 

1		boneless beef sirloin steak (1 pound)
4		onion rolls, split
1/4	cup	mayonnaise
2 - 4	tablespoons	prepared mustard
4	teaspoons	prepared horseradish
4	slices	Swiss cheese



Grill steak, uncovered, over medium heat for 5 - 8 minutes on each side or until meat reaches desired doneness (for rare, a meat thermometer should read 140 degrees; medium, 160 degress; well-done, 170 degrees).

Spread cut side of roll tops with mayonnaise, mustard and horseradish.
Slice steak diagonally; place on roll bottoms.
Top with cheese and rol tops.

Yield:  4 servings.