Overnight Eggnog French Toast Casserole

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A festive baked French toast casserole soaked in rich eggnog and spiced with nutmeg and cinnamon, perfect for a cozy Christmas morning. This american-inspired christmas ready in about 65 minutes pairs thick-cut brioche bread, cubed, eggnog, large eggs for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 8, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.

★ 4.5 (13 ratings) Prep: 15 min Cook: 50 min Serves 8 American cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Grease a 9x13-inch baking dish with 1 tbsp unsalted butter. Spread 8 cups of cubed thick-cut brioche bread evenly in the dish.
  2. Step 2: In a large mixing bowl, whisk together 2 cups eggnog, 6 large eggs, 1/2 cup granulated sugar, 1 tsp ground cinnamon, 1/2 tsp ground nutmeg, and 1 tsp pure vanilla extract until smooth and fragrant.
  3. Step 3: Pour the eggnog mixture evenly over the bread cubes, pressing gently with a spatula to make sure all bread is soaked. Drizzle 1 tbsp melted unsalted butter over the top.
  4. Step 4: Cover tightly with plastic wrap and refrigerate overnight (at least 8 hours) to allow the bread to absorb the custard.
  5. Step 5: Preheat oven to 350°F. Remove plastic wrap and bake uncovered for 45-50 minutes until the top is golden and the custard is set.
  6. Step 6: Let cool for 10 minutes before serving. Serve warm with maple syrup on the side.

Frequently asked questions

How long does Overnight Eggnog French Toast Casserole take to make?

Total time is about 65 minutes (15 min prep + 50 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Overnight Eggnog French Toast Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep eggnog from drying out.

Can I substitute ingredients in Overnight Eggnog French Toast Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Overnight Eggnog French Toast Casserole for a different number of people?

The recipe is written for 8 servings. Multiply each ingredient by (your serving target / 8). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Overnight Eggnog French Toast Casserole?

American christmas like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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