Soup: Pour the carton of soup into a small pot on Level 5 (Medium) to heat through.
Sandwiches: Butter one side of each slice of bread. Place butter-side down in a skillet on Level 5 (Medium). Top with cheese and the second slice of bread (butter-side up).
Grill: Cook for 3-4 minutes per side until golden brown and the cheese is fully melted.
Serve: Slice into triangles for prime soup dunking!