Prepare the filling

• Drain and roughly chop the kimchi.
• Mix the cheddar and mozzarella together.

Assemble the sandwiches

• Butter one side of each slice of bread.
• Place the cheese and kimchi between the unbuttered sides of the bread.

Grill the sandwiches

• Cook in a frying pan over medium heat until the bread is golden and the cheese melts.
• Flip once and press gently with a spatula.

Serve

• Cut in half and serve hot.