12 slices sourdough bread, toasted
1/2 pound pancetta, thinly sliced
2 tbsp. olive oil
1/4 cup (1 ounce) Wisconsin Romano Cheese, shredded
1/4 cup (1 ounce) Wisconsin Asiago Cheese, shredded
1/2 cup (2 ounces) Wisconsin Cheddar Cheese, shredded
2 oz. cream cheese
1/2 cup milk
1 tbsp. all-purpose flour
3 tbsp. butter, divided
1 cup elbow macaroni