Good-Cooking - Overnight Caramel Apple French Toast

Ingredients

• 1 1/4 cups packed brown sugar
• 1/2 cup butter or margarine
• 3 tablespoons light corn syrup
• 4 Granny Smith or Golden Delicious apples, peeled and sliced
• 1/2 teaspoon cinnamon
• 10 to 12 slices day-old French bread (3/4-inch thick)
• 2 cups milk
• 1/2 cup granulated sugar
• 2 teaspoons vanilla extract
• 6 eggs, beaten
• 2 to 3 tablespoons butter, softened