Heat oven to 425°F. Spray 15x10x1-inch baking pan with no-stick cooking spray. Set aside.
Combine eggs and half & half in shallow dish; beat with whisk. Place cornflakes in another shallow dish.
Spread 1 side of 4 slices bread with 1 tablespoon orange marmalade each. Top each with 1 slice cheese, 1 slice Canadian bacon and 1 slice bread.
Dip both sides of each stuffed french toast into egg mixture, then into cornflake crumbs; place into prepared pan. Drizzle with butter. Bake 10-15 minutes or until lightly browned. Serve with maple syrup, if desired.
Marmalade is a preserve made from the peel and the flesh of citrus fruits cooked with sugar until thick and intensely flavored. It can be used like jam or as a flavor complement to savory ingredients.