CARAMELIZED Apples & Onions: Heat saute pan on medium heat. Add butter; cook until melted. Stir in onions; cook until they start to wilt. Add apples; cook until apples are tender and onions are caramelized, stirring occasionally. Remove from heat. Stir in mustard.
FRENCH Toast: Whisk eggs, milk and cinnamon until blended. Dip bread in egg mixture, turning to evenly moisten both sides of each slice. Add to skillet; cook until golden brown on both sides, turning once.
FOR each serving: Top 1 French Toast slice with 2 ham slices, 2 Tbsp. Caramelized Apples & Onions, and 1 cheese slice. Broil until cheese is melted. Cover with second French Toast slice.