1cupshredded cheddar cheese or shredded mozzarella cheese
Instructions
In a large cast-iron or other heavy skillet, heat butter over medium-high heat. Add chopped kimchi and cook until kimchi begins to crisp and turn golden, stirring occasionally. Remove kimchi; wipe out skillet.
Spread 1-1/2 teaspoons mayonnaise on one side of each slice of bread. Place bread, mayonnaise side down, in same skillet over medium-low heat; toast until golden brown, 2-3 minutes; remove.
Top toasted side of 2 bread slices with kimchi. Sprinkle cheddar cheese evenly over the kimchi. Top with remaining bread slices, toasted side facing inwards. Spread 1-1/2 teaspoons mayonnaise on the outsides of each sandwich. Place in same skillet and cook until golden brown and cheese is melted, 5-6 minutes on each side. Serve immediately.