Caramel Apple Upside Down French Toast Bake

Bahan-bahan (8 porsi)

• 2 pounds Granny Smith apples (*I used 4 very large ones)
• lemon juice
• 1/2 cup butter
• 1 cup dark brown sugar
• 2 tablespoons corn syrup
• 4 eggs
• 1/2 cup milk
• 2 teaspoons vanilla
• 1/4 teaspoon salt
• 8 slices cinnamon swirl bread
• maple syrup (and whipped cream)