Place six bread slices on bottom of 12 x 8" baking dish. Cover with 1 cup shredded cheese, broccli, ham and reamaining slices of bread (cut in half diagonally). Beat cream cheese until fluffy. Add eggs one at a time, mixing well. Blend in milk & mustard. Pour over bread. Top with remaining cheese.
Bake @ 350o for 45 - 50 minutes