Overnight Crème Brulé French Toast

Ingredients:

1 loaf of French bread, sliced into 1-inch thick pieces

5 large eggs

1 cup half-and-half

1 cup whole milk

1 teaspoon vanilla extract

2/3 cup granulated sugar, plus extra for the topping

1/4 teaspoon ground cinnamon

1/4 teaspoon ground nutmeg

1/4 cup unsalted butter

Maple syrup, for serving