Stir the butter and parmesan cheese together in a small bowl
Spread 1 1/2 tsp. butter mixture on 1 side of each bread slice.
Place 4 bread slices, buttered sides down, on wax paper. Top with
provolone and mozzarella cheese. Top with remaining bread slices,
buttered sides up.
Cook sandwiches in batches on a hot griddle or in a non-stick
skillet over medium heat. Gently pressing with a spatula, 4
minutes on each side or until golden brown and cheese is melted.
