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Baked Roast Beef and Brie Sliders with Caramelized Onions

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IN THIS POST

OMG, you guys. If you have been on the hunt for the perfect game day snack, look no further. These baked roast beef and brie sliders with caramelized onions were gone in minutes, and it was just Zach and I eating them! Zach doesn’t even like brie cheese (I know … I can’t even … ), but he loved it in this recipe and who can blame him. Baby pretzel sandwiches with layer upon layer of savory goodness, brushed with a sweet, mustard butter and baked to perfection. They take almost no time nor effort at all, which makes it a winner of a recipe for those busy football weekends.

 

There is just something about teeny-tiny food that just gets me so excited. I don’t know if I would jump for these sliders if they were regular old sandwich size…

…Just kidding. I would totally jump for a regular old sandwich size version. I may even jump higher.

I love bites like these when we’re entertaining. You can make a whole lot of them at one time, freeing your hands and time for more adventurous recipes.

You can get as creative as you want with a recipe like this, also! I love when you can do this! Any deli-style meat would be perfect. Any melty cheese would knock it off the charts. There is just one thing missing from this recipe and it’s bacon. I don’t know WHAT I was thinking!

Do yourself a favor…add some crispy, fatty bacon.

Beer Love:

I really, really love roast beef with a good stout. It’s the perfect cool-weather, wintery combination. All you need is a warm fire place and an oversized sweater to complete the ambiance. Stouts are robust and full of malty flavor. A lighter beer would get lost in the intense flavors going on in these sliders.

Here are some examples of stouts I love for these sliders:

FiftyFifty Brewing’s Eclipse

Goose Island’s Bourbon County Stout

Nebraska Brewing Company’s Black Betty Russian Imperial Stout

Upslope Brewing’s Foreign-Style Stout

Dogfish Head’s World Wide Stout

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Baked Roast Beef and Brie Sliders with Caramelized Onions

Servings:

12

Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

Prep Time 25 minutes
Cook Time 55 minutes
Total Time 1 hour 20 minutes

Ingredients
  

For the Caramelized Onions

  • 3 tablespoons unsalted butter
  • 2 large yellow onions sliced
  • 1/2 teaspoon salt
  • 2 tablespoons brown sugar

For the Sliders

  • 1/2 cup unsalted butter
  • 1 tablespoon dijon mustard
  • 1 tablespoon honey
  • 1 teaspoon garlic powder
  • salt and black pepper
  • 12 pretzel slider rolls
  • 1 cup baby spinach
  • 1 pound deli-style roast beef
  • 1 pound brie cheese wheel sliced thin

Instructions
 

  • Begin by preparing your caramelized onions. Melt 3 tablespoons of butter, in a large skillet, over low heat. Add the onions and salt. Cook on low, stirring occasionally, until the onions soften and begin to caramelize, about 20-25 minutes. Sprinkle on the brown sugar and stir to combine. Cook for an additional 5-10 minutes. Remove from heat and set aside.
  • Preheat your oven to 350 degrees F.
  • In a small saucepan, melt the 1/2 cup unsalted butter over medium-low heat. Whisk in the mustard, honey, garlic powder and a dash of salt and black pepper. Cook for 1-2 minutes more and then remove from heat.
  • In a 9x13 inch baking dish, brush two tablespoons of the melted butter on the bottom of the dish. Take the bottoms of your rolls and place them in the baking dish. Layer on baby spinach, roast beef and brie cheese. Top with caramelized onions. Place the tops of the rolls on top. Brush the remaining melted butter mixture directly on top of the rolls.
  • Cover the dish with foil and bake for 15-20 minutes or until the cheese has melted.
  • Remove from heat and serve immediately. Enjoy!

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Justine

Justine

I’m the voice, author, creator, and photographer behind Cooking and Beer. We started things about 10 years ago and Cooking and Beer has morphed and grown into what it is today: providing hundreds of recipes to thousands of people.

23 Responses

  1. Those little pretzel slider rolls are so cute! I’m going to have to keep my eye out for them at the store. These sandwiches sure sound tasty!

  2. Hello cute little delicious sliders filled with my favorite things! These would have been so much better than the lame sub sandwiches I made for Bob during the game yesterday, good thing football season just started!

  3. Love anything with caramelized onions in it, these sliders are totally drool worthy!
    Krista @ Joyful Healthy Eats

  4. I’m thinking about making these for a graduation party…..but will need to sit out on the buffet….will they get too soggy after sitting. Thinking everyone will not be eating at one time.

    1. Hi Deneen! I’m thinking that they won’t last long with the caramelized onions on them. I definitely think they will get on the soggy side. Maybe if you left the onions off, your chances of them not getting super soggy might be better? I hope this helps! Thank you!

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Hello! I'm Justine.

I’m a blogger and web developer from the beautiful state of Oklahoma, where my loving husband, two adorable kids, and two mischievous dogs keep me on my toes 24/7. My idea of heaven includes endless summer days, getting lost in a good book, and whipping up some delicious homemade bread.

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