Baked Turkey and Bacon Mornay Sandwich

By · Reviewed by AislePrompt Editorial · ·

A classic Louisville hot brown sandwich with toasted sourdough, turkey, bacon, and creamy Mornay sauce, baked until golden and bubbly. This american-inspired chicken ready in about 35 minutes pairs sourdough bread, turkey breast, bacon for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 2, 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 15 min Serves 2 American cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. Butter one side of each sourdough slice and place butter-side down on a baking sheet; toast for 5 minutes until lightly golden.
  2. Step 2: In a saucepan, melt 2 tbsp butter over medium heat. Whisk in 2 tbsp all-purpose flour and cook for 1 minute, then gradually whisk in 1 cup milk until thickened (3 minutes). Remove from heat and stir in 1/2 cup grated Gruyere, 1/4 tsp salt, and 1/8 tsp white pepper until smooth.
  3. Step 3: Spread 1/4 cup Mornay sauce on each toasted bread slice (butter-side up), top with 1.5 oz sliced turkey and 0.75 oz crumbled bacon, then add another 1/4 cup Mornay sauce. Bake for 8-10 minutes until cheese is melted and bubbly.

Equipment for this recipe

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Frequently asked questions

How long does Baked Turkey and Bacon Mornay Sandwich take to make?

Total time is about 35 minutes (20 min prep + 15 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 Turkey and Bacon Mornay Sandwich?

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 sourdough bread from drying out.

Can I substitute ingredients in Baked Turkey and Bacon Mornay Sandwich?

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 Turkey and Bacon Mornay Sandwich for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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 Turkey and Bacon Mornay Sandwich?

American chicken 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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