1Butter bottom only of 13x9-inch (3-quart) glass baking dish. Place bread slices in 2 rows, overlapping each other on an angle, in baking dish.
2In large bowl, beat eggs, milk, half-and-half, brown sugar, salt, 1/4 teaspoon cinnamon, the nutmeg and vanilla until thoroughly combined. Carefully pour mixture over slices, making sure each slice is completely coated. Cover baking dish with foil or plastic wrap; refrigerate 8 hours or overnight.
3At serving time, heat oven to 350°F. Uncover baking dish; sprinkle butter, granulated sugar, 2 teaspoons cinnamon and the pecans over bread.
4Bake 40 minutes or until golden brown. Serve with maple syrup.