Step 2
Spread bread with mustard. Place 2 bread slices, mustard sides up, in single layer in 9x5-inch loaf pan sprayed with cooking spray; press to completely cover bottom of pan. Cover with 3 cheese slices, 6 ham slices and 2 of the remaining bread slices, mustard sides down. Top with remaining cheese and ham slices; cover with remaining bread slices, mustard sides down.