Kentucky Hot Brown Sliders

These Kentucky Hot Brown Sliders bake up rich, messy, and impossible to ignore, with soft rolls soaking in savory Mornay sauce while the tops turn golden and crisp under the broiler. You get the classic Hot Brown combination in a party-size pan: turkey, tomato, bacon, and that creamy cheese sauce that settles into every gap without turning the sliders soggy.

The trick is keeping the sauce thick enough to cling. Warm milk helps the roux thicken smoothly, and pulling the pan off the heat before stirring in the cheese keeps the Mornay velvety instead of grainy. I also layer the tomatoes right under the sauce so they soften just enough without flooding the rolls.

Below you’ll find the one step that keeps the sauce stable, the ingredient swap that still gives you a proper Hot Brown feel, and the broiling cue that gets the tops browned without drying out the turkey.

The Mornay Sauce Has to Be Thick Before It Hits the Rolls

The biggest mistake with Hot Brown sliders is treating the sauce like a pour-over cheese sauce. If it’s too loose, it slides straight through the rolls and pools in the pan. You want a spoon-coating Mornay that settles into the turkey and tomato layer, then finishes in the oven without separating.

That’s why the roux cooks for a full minute before the milk goes in, and why the milk should be warm. Cold milk takes longer to thicken and can leave you whisking past the point where the sauce is smooth. Once the cheese goes in, take the pan off the heat. High heat is what makes a cheese sauce grainy.

What Each Layer Is Doing in a Kentucky Hot Brown

• Slider rolls — Hawaiian sweet rolls work well because they soften around the sauce without falling apart. A sturdier dinner roll also works if you want a less sweet base, but avoid crusty rolls since they don’t pull apart the same way.
• Deli turkey — Thin-sliced turkey layers evenly and stays tender after baking. Leftover roast turkey is great here too; just slice or shred it so it warms through quickly.
• Tomatoes — Slice them thin and keep them in a single layer. Thick slices dump too much moisture into the pan and make the bottoms soggy before the broiler has a chance to crisp anything.
• Cheese for the Mornay — Sharp cheddar gives the sauce more bite, while Gruyère makes it a little more classic and nutty. Either one needs to be shredded fresh if possible, because pre-shredded cheese can leave the sauce less smooth.
• Bacon — Cook it until crisp before it goes on top. It softens slightly under the broiler, but that first crisp texture is what keeps each bite from feeling heavy.

Building the Pan So the Sliders Hold Together

Setting the Roll Base

Split the rolls cleanly and keep the bottom half in one connected sheet if you can. That makes serving easier and helps the sauce stay distributed instead of slipping between loose buns. Grease the baking dish well so the bottoms release cleanly after they toast around the edges.

Layering the Turkey and Tomatoes

Spread the turkey in an even layer, then tuck the tomatoes over it so every slider gets some of both. The order matters: turkey under tomatoes gives the tomatoes something to rest on, which keeps them from sliding around when the sauce goes on. If your tomatoes are especially juicy, blot them lightly with a paper towel first.

Finishing With Sauce, Heat, and Broil

Pour the Mornay over the filling while it’s still warm and spread it to the edges. Bake long enough for the rolls to absorb some of the sauce, then add the bacon and broil just until the tops are spotted with color. Watch the broiler the whole time; the line between toasted and burned is short, especially once the sauce starts bubbling at the edges.

Questions I Get Asked About This Recipe

Kentucky Hot Brown Sliders

Kentucky hot brown sliders with pull-apart Hawaiian rolls, layered turkey and tomato, then drenched in a golden bubbly Mornay sauce. Broiled edges turn toasty brown and bacon strips crisp on top for a Derby-style open-face sandwich slider.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 25 minutes mins

Total Time 40 minutes mins

Servings: 12 servings

Course: Main Dish

Cuisine: American

Calories: 520

Ingredients Equipment Method Notes

Ingredients

  

Slider rolls

• 12 Hawaiian sweet rolls Use slider rolls sized for 9x13 pan; keep as intact as possible before slicing.

Turkey and toppings

• 1 lb deli turkey, thinly sliced
• 6 bacon, cooked until crispy
• 2 tomatoes, sliced thin Slice thin so they soften without excess watery pooling.

For the Mornay sauce

• 2 tbsp butter
• 2 tbsp all-purpose flour
• 1.5 cup whole milk, warmed
• 1 cup sharp cheddar or Gruyère cheese, shredded Use finely shredded cheese for faster melting.
• 0.5 tsp salt
• 0.25 tsp white pepper
• 0.25 tsp nutmeg
• paprika and fresh parsley for garnish Optional but recommended for color and classic flavor.

Equipment

• 1 sheet pan
• 1 cast iron skillet

Method

 

Prep and assemble

1. Preheat the oven to 350°F and grease a 9x13 baking dish.
2. Slice slider rolls in half horizontally and place the roll bottoms in the baking dish.
3. Layer deli turkey slices evenly over the roll bottoms, then top with thin-sliced tomatoes.

Make the Mornay sauce

1. Melt butter in a saucepan over medium heat until foaming.
2. Whisk in the all-purpose flour and cook for 1 minute.
3. Slowly whisk in warmed whole milk, then stir until thickened, about 3–4 minutes.
4. Remove from the heat and stir in shredded sharp cheddar or Gruyère, salt, white pepper, and nutmeg until smooth.
5. Pour the Mornay sauce generously over the turkey layer, then place the slider tops on.

Bake and broil

1. Bake for 15 minutes at 350°F until hot throughout and beginning to bubble.
2. Remove from the oven, place crispy bacon strips across the top, switch to broil, and broil for 2–3 minutes until the tops are golden and edges are crispy.
3. Garnish with paprika and fresh parsley and serve immediately.

Notes

Pro tip: warm the milk before adding so the roux stays smooth and thickens evenly. Store leftovers in an airtight container in the refrigerator up to 3 days; reheat covered at 325°F until warmed through. Freezing is not recommended because the Mornay sauce can separate after thawing. For a lighter option, use low-fat milk and reduced-fat cheddar, keeping the same simmer time so the sauce still thickens.