6 sliced hamburger buns
1 lb. lean ground beef
1 (10 1/2 oz.) can tomato soup
1 tbsp. prepared mustard
1/2 tsp. salt

Heat oven to 325 degrees. Lightly butter the sandwich buns. Wrap in aluminum foil and heat in oven for 15 minutes.

Brown hamburger in medium skillet. Drain excess fat. Stir in tomato soup, mustard and salt. Simmer over low heat for about 10 minutes, stirring occasionally. Serve in buns. Enjoy!