01 -
Melt butter in a saucepan and mix with brown sugar and corn syrup until smooth. Spread mixture evenly in a greased 9×13-inch baking dish.
02 -
Arrange slices of brioche or challah over the caramel mixture in a single layer.
03 -
Whisk together eggs, half-and-half, vanilla extract, ground cinnamon, and salt. Pour mixture evenly over the bread slices.
04 -
Cover the baking dish with plastic wrap and refrigerate for at least 8 hours or overnight.
05 -
Preheat the oven to 350°F (175°C). Bake the uncovered dish for 35-40 minutes, or until the top is golden brown and set.
06 -
Sprinkle granulated sugar over the top of the dish. Use a kitchen torch or broiler to caramelize until crisp.
07 -
Slice and serve the French toast warm with optional toppings such as maple syrup, fresh berries, powdered sugar, or whipped cream.