01 -
Assemble all ingredients on the countertop for an efficient workflow.
02 -
Generously spread butter on one side of each bread slice.
03 -
Layer shredded cheddar and mozzarella cheese between two slices of bread with buttered sides facing out to form sandwiches.
04 -
Preheat a skillet over medium heat until a drop of water sizzles on contact.
05 -
Place sandwiches in the skillet butter-side down and cook for 3 to 4 minutes until golden brown. Flip carefully to cook the other side until cheese melts and bread is crisp.
06 -
Meanwhile, heat the tomato soup in a saucepan over medium heat until hot but not boiling.
07 -
Slice the grilled sandwiches diagonally and serve alongside bowls of tomato soup garnished with fresh basil leaves.