Baked Cinnamon Vanilla French Toast Casserole

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A warm baked French toast casserole infused with cinnamon and vanilla, perfect for a cozy Mother's Day brunch. This american-inspired mother’s day ready in about 50 minutes pairs day-old white bread slices, large eggs, whole milk for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 6, 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.

★ 4.4 (15 ratings) Prep: 15 min Cook: 35 min Serves 6 American cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 350°F. Cut 8 slices of day-old white bread into 1-inch cubes and spread evenly in a greased 9x13 inch baking dish.
  2. Step 2: In a large bowl, whisk together 6 large eggs, 2 cups whole milk, 1/3 cup granulated sugar, 2 tsp ground cinnamon, and 1 tbsp pure vanilla extract until smooth and fragrant.
  3. Step 3: Pour the egg mixture evenly over the bread cubes, pressing lightly with a spatula to soak the bread; drizzle 2 tbsp melted unsalted butter over the top.
  4. Step 4: Let the mixture sit for 10 minutes to allow the bread to absorb the custard fully.
  5. Step 5: Bake uncovered for 30-35 minutes until the top is golden brown and a knife inserted in the center comes out clean.
  6. Step 6: Remove from oven and let cool slightly before dusting with powdered sugar and serving with warm maple syrup if desired.

Frequently asked questions

How long does Baked Cinnamon Vanilla French Toast Casserole take to make?

Total time is about 50 minutes (15 min prep + 35 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 Baked Cinnamon Vanilla 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 day-old white bread slices from drying out.

Can I substitute ingredients in Baked Cinnamon Vanilla 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 Baked Cinnamon Vanilla French Toast Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Baked Cinnamon Vanilla French Toast Casserole?

American mother’s day 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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