1 lb. ground beef
1-2 T. mustard
1/2 cup ketchup
1/2 cup brown sugar
slices of bread or Texas-toast bread
Brown ground beef with onion in skillet until fully cooked. Drain off any grease. Add mustard, ketchup and brown sugar. Simmer for 5 minutes. Spread butter on one side of bread slices. Place bread slices (butter side down) onto griddle or skillet. Top with cheese, a scoop of beef mixture and top with another slice of bread, butter side up. Cook over medium heat until browned. Carefully flip over and cook other side until browned.