01 -
Generously butter a 9×13-inch baking dish. Arrange French bread slices in a single, slightly overlapping layer.
02 -
Whisk together the eggs, half-and-half, whole milk, vanilla extract, granulated sugar, ground cinnamon, and ground nutmeg in a large mixing bowl until smooth.
03 -
Pour the custard evenly over the bread slices, ensuring each piece is coated. Gently press bread into custard to promote absorption.
04 -
Tightly cover the dish with plastic wrap and refrigerate overnight to allow full saturation.
05 -
Preheat oven to 350°F. Remove plastic wrap, dot bread with unsalted butter, and sprinkle with a light layer of sugar. Bake for 35 to 40 minutes until puffed and golden.
06 -
Allow dish to cool briefly. Sprinkle a thin, even layer of granulated sugar on top. Caramelize sugar using a kitchen torch or the oven's broiler until crisp and golden.
07 -
Let the French toast rest for several minutes before cutting. Serve slices warm, drizzled with maple syrup.