This make-ahead baked French toast casserole features a rich custard-soaked brioche base with a crunchy brown sugar topping, all finished with warm maple syrup. Perfect for cozy mornings and holiday brunches.
Use day-old bread for best texture. For dairy-free, substitute oat milk and coconut cream. For gluten-free, use sturdy gluten-free bread. Let casserole rest before baking to ensure even cooking.
Keywords: baked French toast casserole, overnight French toast, maple syrup, brioche, brunch recipe, make-ahead breakfast