Vegetarian Overnight Baked French Toast Casserole

Total time9 hr 15 min

Prep time20 min

Cook time55 min

Vegetarian Overnight Baked French Toast Casserole

Cubed brioche soaks overnight in a rich, spiced custard until every piece is thoroughly saturated, then bakes beneath a crumbly, buttery streusel until deep golden and set at the edges. It's the kind of make-ahead breakfast bake that rewards patience — the long chill lets the bread fully absorb the vanilla-and-cinnamon custard so the interior turns soft and bready-pudding-like while the top crisps into little pockets of brown sugar crunch. A rest before slicing keeps the squares neat, and a finishing drizzle of maple syrup with a dusting of powdered sugar turns it into something that feels closer to dessert than a Tuesday morning. This is a great brunch centerpiece for a vegetarian table, since it's built entirely around eggs, dairy, and bread rather than any meat products. Serve it straight from the dish for a crowd, or portion it out for a slow weekend morning with coffee.

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Ingredients

8 servings

For the casserole

1 loaf (about 1 lb) brioche bread, cut into 1-inch cubes
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6 large eggs
2 cups whole milk
½ cup heavy cream
⅓ cup granulated sugar
1 tbsp vanilla extract
1 ½ tsp ground cinnamon
¼ tsp ground nutmeg
¼ tsp salt

For the streusel

½ cup all-purpose flour
½ cup packed light brown sugar
½ tsp ground cinnamon
¼ tsp salt
4 tbsp unsalted butter, cold and cut into small pieces

For serving

maple syrup, for serving (optional)
powdered sugar, for serving (optional)

Instructions

1
Grease a 9x13-inch baking dish with butter or nonstick spray. Arrange the brioche cubes in an even layer in the dish.
2
In a large mixing bowl, whisk together the eggs, whole milk, heavy cream, granulated sugar, vanilla extract, 1 1/2 tsp ground cinnamon, nutmeg, and salt until smooth and fully combined.

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