In a shallow bowl, whisk half & half and eggs.
Pulse granola in the bowl of a food processor until coarsely ground.
Heat nonstick skillet over medium heat.
Dip bread in egg mixture, then in granola, making sure both sides are evenly coated.
Add 1 tablespoon butter to skillet. Sauté 2 slices of prepared bread in skillet until golden brown, about 2 ½ – 3 minutes per side. Repeat with remaining slices.
To serve: Arrange banana slices over French toast and drizzle with maple syrup. Serves 4.