Sort ingredients
kbsdolphin95
QR Code
Listen
Pdf
Combine tuna, mayonnaise and red onion in a small bowl.
Spread one side of each slice of bread with butter.
Place one slice of bread, buttered side down in a skillet over medium heat.
Top bread with cheese, tuna, arugula and remaining slice of bread, buttered side up.
Cook until bread is golden and cheese begins to melt; turn sandwich and cook until heated through.