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Pull-apart Kentucky Hot Brown sliders turn the classic open-face sandwich into a pan of melty, savory crowd food with all the best parts intact: tender turkey, juicy tomatoes, crisp bacon, and a silky Mornay sauce that soaks into the rolls without turning them into mush. The tops go golden under the broiler, the cheese bubbles at the edges, and the whole pan slices into sliders that disappear fast.

What makes this version work is the balance. The sauce starts with a small, honest roux and warm milk, which keeps it smooth instead of grainy. Shredded cheese goes in off the heat, so it melts into a glossy layer instead of breaking. The tomatoes stay thin so they add brightness without flooding the rolls, and the bacon gets added at the end so it stays crisp instead of softening in the oven.

Below you’ll find the exact order that keeps the sliders sturdy, plus a few smart swaps if you need to work with what you have. The broiler finish matters here, and I’ll point out the moment when you need to keep an eye on the pan.

The Part That Keeps the Sliders from Going Soggy

The main mistake with Hot Brown sliders is treating the sauce like gravy. It isn’t gravy. Mornay needs enough body to cling to the turkey and rolls without flooding the pan, which is why the roux cooks briefly before the milk goes in and the milk is warmed first. Cold milk takes longer to thicken and gives you more time to overcook the flour, which is how you end up with a pasty sauce instead of a smooth one.

The other detail that matters is timing. These sliders bake in two stages because the rolls need a little time to absorb the sauce before the bacon goes on. If you broil the bacon from the start, it softens and can turn limp under the sauce. Adding it at the end keeps the edges crisp and gives you that classic Hot Brown look.

What the Cheese and Bacon Are Really Doing Here

• Hawaiian sweet rolls — These give the sliders a soft, pillowy base that holds together well after baking. Any soft slider roll works, but the slight sweetness in Hawaiian rolls plays nicely with the salty turkey, bacon, and cheese.
• Turkey — Thin deli-sliced turkey warms through fast and stays tender. Thick-cut turkey breast can work, but it needs to be sliced very thin so the sliders don’t feel bulky.
• Tomatoes — Fresh tomato is part of what makes a Hot Brown taste like a Hot Brown. Slice them thin and use them right away after cutting so extra juice doesn’t collect under the sauce.
• Cheese for the Mornay — Sharp cheddar gives you a stronger, saltier finish; Gruyère makes the sauce a little nuttier and more classic. Pre-shredded cheese can work, but freshly shredded melts more smoothly because it doesn’t have anti-caking starches.
• White pepper and nutmeg — These are small but important. White pepper keeps the sauce looking clean, and nutmeg gives the Mornay that old-school warmth people notice even if they can’t name it.

Building the Pan So the Rolls Stay Intact

Layer the base with structure

Start by slicing the rolls cleanly in half and setting the bottoms in a greased 9×13 dish. Lay the turkey in an even layer so every slider gets the same amount of meat, then add the tomato slices without overlapping them into a wet mound. If the tomatoes are stacked too thick, the sauce slips around instead of settling into the sandwich.

Cook the Mornay until it coats a spoon

Melt the butter, whisk in the flour, and let that mixture cook for about a minute so the raw flour taste disappears. Add the warm milk slowly while whisking, and keep going until the sauce thickens enough to coat the back of a spoon, about 3 to 4 minutes. Pull the pan off the heat before stirring in the cheese; high heat is what makes a cheese sauce grainy or oily.

Finish with a short bake and a fast broil

Pour the sauce generously over the turkey layer, top with the rolls, and bake until the sliders are heated through and the tops look set. Then add the bacon and broil for just 2 to 3 minutes, watching closely the whole time. The broiler can turn the tops from golden to burned in a blink, and that final burst is what gives you the toasty edges that make these worth serving hot.

How to Adapt These Sliders for the Crowd You’re Feeding

Answers to the Questions Worth Asking

Kentucky Hot Brown Sliders

Kentucky hot brown sliders with pull-apart Hawaiian rolls, layered turkey and tomato, then drenched in a golden Mornay sauce. Finished with crispy bacon strips and broiled toasty edges for a Derby-style open-face 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 slider rolls (Hawaiian sweet rolls)

Turkey and toppings

• 1 lb deli turkey, thinly sliced
• 6 bacon, cooked until crispy
• 2 large tomatoes, sliced thin

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
• 0.5 tsp salt
• 0.25 tsp white pepper
• 0.25 tsp nutmeg
• 1 paprika for garnish
• 1 fresh parsley for garnish

Equipment

• 1 cast iron skillet
• 1 sheet pan
• 1 saucepan

Method

 

Prep and assemble

1. Preheat 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 sliced tomatoes.

Make the Mornay sauce

1. Melt butter in a saucepan over medium heat.
2. Whisk in flour and cook 1 minute, until the mixture looks smooth and slightly foamy.
3. Slowly whisk in the warmed whole milk and stir until thickened, about 3–4 minutes.
4. Remove from heat and stir in shredded cheddar or Gruyère, salt, white pepper, and nutmeg until smooth.

Bake and broil

1. Pour Mornay sauce generously over the turkey layer, then place slider tops on.
2. Bake for 15 minutes at 350°F, until the sauce is bubbling around the edges.
3. Remove from oven, place bacon strips across the top, switch to broil, and broil for 2–3 minutes until tops are golden and edges are crispy.
4. Garnish with paprika and fresh parsley and serve immediately.

Notes

Make-ahead tip: assemble the roll bottoms with turkey and tomato, cover, and refrigerate up to 24 hours; bake and broil just before serving for the best broiled edges. Store leftovers in the refrigerator up to 3 days, reheat covered in a 325°F oven until warmed through. Freezing is not recommended because the Mornay sauce texture can break. Dietary swap: use sliced turkey breast and swap whole milk for lactose-free milk for a close texture in the sauce.