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Smothered in a delicate mornay sauce, the Kentucky hot brown sandwich is an open-face sandwich made with slices of toast stacked with roasted turkey, a tomato slice, and pieces of crispy bacon. Originally made for a breakfast treat, this sandwich is perfect for any time of day, and it is easy to make, too!

Featured is a piece of Kentucky Hot Brown, with a background of Tabasco sauce and another plate.

What is a Hot Brown?

Head Chef Fred Schmidt created this open-faced sandwich, The Hot Brown, at the Brown Hotel in Louisville, Kentucky, in 1926. This rich and hearty sandwich is like the original recipe, with thick slices of toasted bread topped with slices of turkey, tomato, and crispy bacon. But what makes this open-faced turkey sandwich so memorable is the cheesy mornay sauce poured on top and broiled until golden brown and bubbly. 

I have spiced up the original hot brown recipe a bit with my own touch. This open-faced turkey sandwich with cheesy sauce is so rich and filling; I promise it will be a huge hit. 

Ingredient Notes

A labeled picture of ingredients needed to make a Kentucky Hot Brown sandwich.
  • Bacon – Crisp bacon tops the slices in this sandwich recipe.
  • White Bread – Use a thick-cut bread, similar to the kind you use in Texas toast.
  • Turkey Breast – Get roasted thick-cut slices of turkey to layer on the sandwich.
  • Cheeses – I use a combination of White Cheddar Cheese and Pecorino Romano Cheese – grated or shredded.
  • Butter – Melt butter to make the white sauce or roux.
  • Flour – Make a roux to thicken the cheese sauce with all-purpose flour.
  • Milk – Use full-fat whole milk to mix with the roux for the cheese sauce.
  • Nutmeg – A pinch of nutmeg goes a long way to flavoring this dish!
  • Tomatoes – Sliced Roma tomatoes are the best option, but if they are not in season, you can use other tomato varieties.
  • Salt & Pepper – Season the meat and tomato with salt and pepper to taste.
  • Hot Sauce – Just a few dashes of your favorite brand will do!  
  • Parsley – For garnish

Variations and Substitutions

  • Oven-safe pan: I recommend a rimmed baking sheet. You can also bake the recipe in a casserole dish.
  • Adjust to your liking: I love the hot sauce in this recipe, but you can use more or less according to your taste. Leave it out if you prefer.
  • Protein: Try using ham or ham and turkey together!
  • Cheese, please: If you would like to change things up, try different cheeses. I suggest trying cheddar or Gruyere.
  • Bread: Instead of using white bread, you can try sourdough bread, buttermilk, or even an English muffin. Don’t use frozen Texas toast! The Texas Toast in this recipe is a thick-cut white bread found in your bread aisle at the grocery store. Frozen Texas Toast is garlic bread. If you cannot find Texas toast bread, get thick-cut white bread slices from the bakery section. If you can’t find them already cut, ask the bakery to cut a white bread loaf into ¾-inch slices.

How To Make a Kentucky Hot Brown Sandwich

Be sure to see the recipe card below for exact ingredients and full recipe instructions!

Step 1 | Cook the Bacon

Preheat oven to 400℉ and line a baking sheet with aluminum foil for easy cleanup. I used two separate sheets one for the bacon and one for the tomatoes, so that the tomatoes stay out of the bacon grease and don’t become greasy.

Place the strips of bacon and the sliced tomatoes on the baking sheet. Then, pop them in the oven to cook, with the tomatoes closest to the oven door. Cook for 20 minutes, or until the fat has rendered, the bacon is browned, and the tomatoes are roasted to perfection.

Bacon and tomatoes on a foil lined baking sheet.

Remove the pan from the oven, drain the bacon on a plate covered with paper towels, and set it aside.

Step 2 | Prepare the Creamy Mornay Sauce

Let’s make the Roux: Melt 2 tablespoons of butter in a small saucepan over medium heat. Add one tablespoon of flour and cook while stirring.

Gradually whisk in the whole milk one-quarter cup at a time. Allow the hot milk to fully incorporate with the butter and flour mixture before adding more. Continue with the remaining milk and cook until the sauce starts to simmer and is thickened, whisking almost constantly for about 3-5 minutes. 

Next, remove the mornay from the heat and whisk in grated cheddar and Romano cheeses until melted. Season with a dash of nutmeg, salt, pepper (to taste), and a few dashes of hot sauce (if desired- to taste.)

A collage image of 2 steps of the process to creating a Kentucky Hot Brown Sandwich where the 2 steps are making the Mornay sauce.

Step 3 | Toast the Bread and Assemble Sandwiches

First, set the oven to broil. 

Toast the bread slices in a toaster until golden and place two slices on a clean baking tray. Likewise, you can toast bread in the oven by buttering bread slices and placing them on foil-lined baking sheets. Toast under the broiler for 1-2 minutes, then flip and toast the other side.

Here is an ingredient list shot with all of the ingredients to make a Hot Brown sandwich.

Assemble the parts of the sandwich now! Top each slice of toast with the turkey, then the slice of tomatoes,

A baking sheet is set out in a step to making Hot Brown. Here is the toast, turkey and tomatoes.

Next, spoon on the sauce. Broil that for 2-3 minutes.

A collage image of 2 steps of the process to creating a Kentucky Hot Brown Sandwich. One is the sauce in the pan and the other is the sandwich with the sauce poured on top.

Now you are ready to transfer the whole thing to a plate (or on a serving tray) and top each with two bacon slices, formed in a criss-cross pattern. Garnish them with fresh chopped parsley, salt, pepper, and hot sauce to taste.

This is the add bacon process shot for Hot Brown

Tips

  • Use a good quality turkey for this recipe for the best flavor.
  • Let the flour (cook) brown a bit before adding the milk for the mornay sauce, the flour should be golden brown. This will keep the sauce from having a raw flour taste
  • Ensure the sauce thickens up nicely so it sticks to the sandwich.
  • Blot the meats and tomato with paper towels to absorb some of the moisture. That way, the bread does not get soggy.

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A baking sheet is pictured with a2 slices of Hot Brown sitting smothered in mornay sauce and garnished.

Recipe FAQs

Can you make cheesy Mornay sauce ahead of time?

You sure can. For easy assembly, make it up to three days ahead. Store the sauce in a covered dish in the fridge, then reheat it in a medium saucepan over medium-low heat. Whisk occasionally, and add a dash of milk if it gets too thick.

Can I make a Kentucky Hot Brown dairy-free?

Absolutely, you can make a dairy-free Kentucky Hot Brown. Canned coconut milk is often used as an excellent alternative to heavy cream. Just swap out the heavy cream in the sauce with coconut milk. Nutritional yeast works well as a dairy-free substitute for grated Parmesan cheese. The taste will be different than the original recipe, but still a great dairy-free choice.

How do you thicken a runny cheese sauce?

That is easy! Take a tablespoon of flour and whisk it together with a tablespoon of the sauce to make a thick paste. Then, slowly whisk in water until the lumps are gone. Add that mixture to the sauce and stir to combine. That should thicken the sauce up nicely.

Can you freeze the Hot Brown Sandwiches?

I do not recommend freezing the sandwiches, as the bread may get soggy, and the cheese sauce will change in texture.

A wood spatula is serving a featured Hot Brown Sandwich.

Storage

Storage: Kentucky Hot Brown Sandwiches leftovers really do not store well. I recommend only assembling what you plan to eat. You can store the leftover ingredients and the sauce separately and use them within 3 days.

Reheating: To reheat the hot browns, place them on a cookie sheet in a preheated oven at 350 degrees. Warm until hot.

What to Serve with a Hot Turkey Sandwich

Serve this dish with sides according to the meal period you serve it. For instance, for lunch or dinner, you may serve it with a fresh Kale SaladCreamy Cole Slaw, or Potato Salad. For a breakfast sandwich, you may serve it with a Berry Fruit Salad or even a slice of Overnight Breakfast Casserole.

More Hot Sandwich Recipes to Try

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On a white plate sits a Kentucky Hot Brown open-face sandwich topped with bacon and parsley.
Recipe
5 from 1 vote

(click stars to rate)

Kentucky Hot Brown Sandwich

Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes
Servings: 2 sandwiches
Author: Nikki Lee
Smothered in a delicate mornay sauce, the Kentucky hot brown sandwich is an open-face sandwich made with slices of toast stacked with roasted turkey, a tomato slice, and pieces of crispy bacon. 

Ingredients 

  • 4 slices bacon
  • 2 slices white bread, thick cut (like Texas toast)
  • 4 slices thick-cut roast turkey breast, (about ½ pound)
  • 1 cup white cheddar cheeses, shredded
  • ¼ cup Pecorino Romano cheese, grated or shredded
  • 2 tablespoons butter
  • 1 tablespoon all-purpose flour
  • 1 dash nutmeg
  • 1-2 Roma tomatoes, sliced
  • salt & pepper, to taste
  • hot sauce, to taste
  • cup parsley, for garnish

Instructions

Cook Bacon and Roast Tomatoes

  • Preheat oven to 400℉ and line a baking sheet with aluminum foil for easy cleanup. I used two separate sheets, one for the bacon and one for the tomatoes (so that the tomatoes stay out of the bacon grease and don't become greasy).
  • Place the strips of bacon and the sliced tomatoes (you can drizzle the tomatoes with olive oil if desired) on the baking sheet. Then, place them in the oven to cook, with the tomatoes closest to the oven door. Cook for 20 minutes, or until the fat has rendered, the bacon is browned, and the tomatoes are roasted.
    Remove the pan from the oven, drain the bacon on a plate covered with paper towels, and set it aside.

Prepare Mornay Sauce

  • In a saucepan, over medium heat, melt 2 tablespoons of butter.  Add one tablespoon of flour to cook (for approximately 1 minute )while stirring.
  • Gradually whisk in the milk (one-quarter cup at a time). Allow the milk to fully incorporate with the butter and flour mixture before adding more. Continue with the remaining milk. Cook until the sauce starts to simmer and is thickened, whisking almost constantly, about 3-5 minutes. 
  • Remove from the heat and whisk in grated cheddar and Romano cheeses until melted. Season with a dash of nutmeg, salt, pepper (to taste), and a few dashes of hot sauce (if desired- to taste.)

Toast the Bread and Assemble Sandwiches

  • Toast the bread slices in a toaster until golden and place two slices on a baking tray.
    Likewise, you can toast bread in the oven by buttering bread slices and placing them on foil-lined baking sheets. Toast under the broiler for 1-2 minutes, then flip and toast the other side.
  • Top toasted bread with the turkey, then tomatoes, then spoon on the sauce and broil for 2-3 minutes.
  • Transfer to plates and top with two pieces of bacon, formed in a criss-cross pattern, per sandwich. Garnish with fresh chopped parsley, salt, pepper, and hot sauce to taste.

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Nutrition Information

Serving: 1sandwich Calories: 504kcal (25%) Carbohydrates: 20g (7%) Protein: 23g (46%) Fat: 37g (57%) Saturated Fat: 21g (131%) Polyunsaturated Fat: 2g Monounsaturated Fat: 9g Trans Fat: 0.5g Cholesterol: 107mg (36%) Sodium: 930mg (40%) Potassium: 254mg (7%) Fiber: 1g (4%) Sugar: 3g (3%) Vitamin A: 2069IU (41%) Vitamin C: 18mg (22%) Calcium: 609mg (61%) Iron: 2mg (11%)

Nutritional Disclaimer

Soulfully Made is not a dietician or nutritionist, and any nutritional information shared is only an estimate. We recommend running the ingredients through an online nutritional calculator if you need to verify any information.

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