Spread mayonnaise on half of bread slices. Top each with 1 slice American, 1 slice Colby-Jack, and
slice Havarti. Cover with remaining bread slices.
In a 12-inch cast-iron skillet, melt 2 tablespoons butter over medium heat. Add 2 sandwiches; cook until golden brown, 2 to 3 minutes. Turn, and cook until cheese is melted and both sides are golden brown,
to 3 minutes. Repeat procedure with remaining 2 tablespoons butter and remaining 2 sandwiches.
Recipe by Taste of the South at https://tasteofthesouthmagazine.com/our-favorite-fall-soup-bread-pairings/