Rum-Spiked Banana Foster French Toast Bake

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A rich overnight French toast casserole layered with caramelized bananas and a warm rum sauce. This french-inspired breakfast ready in about 65 minutes combines large eggs, whole milk, brown sugar into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 320 calories and feeds 8, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 50 min Serves 8 French cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Grease a 9x13-inch baking dish with butter. Place 6 cups of 1-inch French bread cubes evenly in the dish.
  2. Step 2: In a large bowl, whisk together 8 large eggs, 2 cups whole milk, 1/2 cup brown sugar, 2 tsp vanilla extract, and 1 tsp ground cinnamon until smooth. Pour this custard evenly over the bread cubes, pressing gently to soak. Cover and refrigerate overnight.
  3. Step 3: Preheat oven to 350°F. In a large skillet, melt 4 tbsp unsalted butter over medium heat. Add 3 sliced ripe bananas and cook for 3-4 minutes until soft and beginning to caramelize.
  4. Step 4: Stir in 1/4 cup dark rum and 1/4 cup maple syrup. Cook for 2 more minutes until the sauce thickens slightly.
  5. Step 5: Pour the banana-rum sauce evenly over the soaked bread custard and bake uncovered for 45-50 minutes until the top is golden and the custard is set.
  6. Step 6: Remove from oven, let cool for 10 minutes, dust with powdered sugar, and serve warm.

Equipment for this recipe

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Frequently asked questions

How long does Rum-Spiked Banana Foster French Toast Bake take to make?

Total time is about 65 minutes (15 min prep + 50 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.

How do I store leftover Rum-Spiked Banana Foster French Toast Bake?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.

Can I substitute ingredients in Rum-Spiked Banana Foster French Toast Bake?

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 Rum-Spiked Banana Foster French Toast Bake 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 Rum-Spiked Banana Foster French Toast Bake?

French breakfast 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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