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Comforting Hot Brown Sliders with Turkey and Mornay Sauce

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These sliders feature tender turkey breast slices topped with a creamy, cheesy homemade Mornay sauce, baked on soft Hawaiian rolls for a cozy, comforting meal perfect for weeknights or casual entertaining.

Ingredients

Scale
  • Slider buns (soft Hawaiian rolls)
  • Cooked turkey breast slices (thinly sliced deli turkey or leftover roasted turkey)
  • 2 tablespoons unsalted butter
  • 2 tablespoons all-purpose flour
  • 1 ½ cups (360 ml) whole milk, warmed (dairy-free milk for vegan twist)
  • 1 cup (100 grams) Gruyère cheese, shredded
  • ½ cup (50 grams) Parmesan cheese, grated
  • Salt and freshly ground black pepper, to taste
  • Pinch of ground nutmeg (optional)
  • Crisp bacon strips, cooked until just crunchy (optional but recommended)
  • Tomato slices, thinly sliced
  • Fresh parsley, for garnish

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease your baking dish to prevent sticking.
  2. In a medium saucepan, melt 2 tablespoons of unsalted butter over medium heat.
  3. Whisk in 2 tablespoons of all-purpose flour and cook for about 2 minutes until the mixture forms a smooth roux and turns pale golden.
  4. Gradually pour in 1 ½ cups (360 ml) of warm whole milk while whisking constantly to avoid lumps.
  5. Continue whisking until the sauce thickens, about 5-7 minutes, until it coats the back of a spoon and is creamy and smooth.
  6. Remove from heat and stir in 1 cup shredded Gruyère and ½ cup grated Parmesan until melted and combined.
  7. Season with salt, freshly ground black pepper, and a pinch of nutmeg if using. Adjust seasoning to taste.
  8. Slice the Hawaiian rolls in half horizontally but keep them attached at the bottom in one large block.
  9. Layer the bottom half with turkey slices, crispy bacon strips (if using), and tomato slices.
  10. Pour the Mornay sauce generously over the turkey and bacon layers, spreading evenly.
  11. Place the top half of the rolls back on.
  12. Bake uncovered in the preheated oven for 15-20 minutes until the sauce is bubbly and the tops are lightly toasted.
  13. Garnish with chopped fresh parsley before serving.

Notes

Use warm milk and whisk constantly to avoid lumps in the sauce. If sauce is too thick, whisk in a splash of milk before pouring. Prepare sauce ahead and reheat gently if short on time. Keep slider rolls connected as one block for even baking. For gluten-free, substitute flour and buns accordingly. Cheese alternatives like sharp cheddar or fontina work well.

Nutrition

Keywords: hot brown sliders, turkey sliders, Mornay sauce, comfort food, easy weeknight dinner, cheesy sauce, Hawaiian rolls, baked sliders

Find it online: https://atomicbite.com/comforting-hot-brown-sliders-recipe-easy-homemade-turkey-mornay-sauce/