Overnight French Toast Casserole

Wake up to the irresistible aroma of sweet cinnamon and buttery goodness with this Overnight French Toast Casserole, a stress-free breakfast or brunch favorite. This decadent make-ahead dish combines cubes of rich, day-old bread—like brioche or challah—soaked in a velvety custard of eggs, milk, cream, and warm spices. Topped with a caramelized cinnamon-sugar crumble, it bakes to golden perfection, boasting a soft and custardy center with a lightly crisp exterior. Perfect for holiday mornings or weekend gatherings, simply prepare the casserole the night before, let it chill in the fridge, and bake it fresh the next morning. Pair it with maple syrup, powdered sugar, or vibrant berries for a crowd-pleasing dish that’s as easy as it is indulgent.

Nutriscore Rating: 59/100

Prep Time:20 mins

Cook Time:45 mins

Total Time:65 mins

Servings: 8

Ingredients

• 12 slices Day-old bread (such as brioche or challah)
• 8 large Eggs
• 2 cups Milk
• 0.5 cups Heavy cream
• 0.5 cups Granulated sugar
• 0.25 cups Brown sugar
• 2 teaspoons Vanilla extract
• 1 teaspoon Ground cinnamon
• 0.25 teaspoons Salt
• 4 tablespoons Butter
• 0.5 cups Brown sugar (for topping)
• 0.5 teaspoons Ground cinnamon (for topping)

Directions

Step 1

Grease a 9x13-inch baking dish with butter or nonstick cooking spray.

Step 2

Slice the bread into 1-inch cubes and evenly spread them in the prepared baking dish.

Step 3

In a large mixing bowl, whisk together the eggs, milk, heavy cream, granulated sugar, brown sugar, vanilla extract, ground cinnamon, and salt until fully combined.

Step 4

Pour the custard mixture evenly over the bread cubes, making sure all the bread pieces are soaked.

Step 5

Cover the baking dish tightly with plastic wrap or aluminum foil and refrigerate overnight, or for at least 6 hours.

Step 6

Preheat the oven to 350°F (175°C).

Step 7

In a small bowl, mix together the topping ingredients: melted butter, brown sugar, and ground cinnamon.

Step 8

Remove the casserole from the refrigerator and sprinkle the buttery cinnamon-sugar mixture evenly over the top.

Step 9

Bake the casserole, uncovered, for 40-45 minutes, or until the top is golden brown and the custard is set.

Step 10

Allow the casserole to cool for 5-10 minutes before serving.

Step 11

Serve warm with maple syrup, powdered sugar, or fresh berries if desired.

Nutrition Facts

Serving size	(1689.6g)

Amount per serving	% Daily Value*
Calories	3678.8

Total Fat 130.5g	0%
Saturated Fat 62.1g	0%
Polyunsaturated Fat 1.8g
Cholesterol 1843.5mg	0%
Sodium 3471.8mg	0%
Total Carbohydrate 523.5g	0%
Dietary Fiber 13.4g	0%
Total Sugars 328.2g
Protein 115.1g	0%

Vitamin D 551.7IU	0%
Calcium 1217.1mg	0%
Iron 20.1mg	0%
Potassium 2025.6mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 31.5%

Protein: 12.3%

Carbs: 56.2%