1
Cut bread loaves horizontally into thirds. Spread cut sides with butter.
2
In bowl, toss together cheeses.
3
Divide 1/4 of ham evenly over bottom section of each loaf. Top ham with 1/4 of cheeses. Add second section of loaves. Repeat layers. Top with third section of loaves.
4
Place sandwich on microwave-safe plate. Microwave on HIGH (100%) 3 1/2 to 4 minutes or until cheese is melted. Repeat with remaining sandwich.