
Roast Beef Sliders
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Prep Time
15 mins
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Cook Time
15 mins
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Total Time
1 hr
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Servings
6 servings
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Calories
688 kcal
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Course
Main Course
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Cuisine
American

Roast Beef Sliders
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Roast beef, cheese, creamy horseradish mayo, and caramelized onions come together in these Roast Beef Sliders that bring flavor to the dinner table. These are great for a weeknight dinner, or for game night or tailgating.
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Ingredients
- 2 medium sweet onions
- 2 tablespoons extra virgin olive oil
- 1/2 cup mayonnaise
- 1 tablespoon horseradish
- 1 (12-count) package King’s Hawaiian or Savory Butter Rolls
- 8 oz sliced provolone cheese
- 3/4 lb thinly sliced deli roast beef
- 1/4 cup butter melted
- 1 tablespoon Dijon mustard
- 1 tablespoon chopped fresh parsley
- 1 teaspoon garlic flakes
- 1/4 teaspoon onion powder
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Instructions
- Peel the onions, cut in half, and then slice into half moons.
- Heat the olive oil in a skillet over medium-low heat. Add the onions and a little bit of salt. Cook, stirring often, until the onions are caramelized. This should take about 20 minutes. You want to cook them low and slow.
- While the onions are cooking, preheat the oven to 375ºF. Spray a baking dish with nonstick cooking spray.
- In a small bowl, mix the mayonnaise and the horseradish together.
- Use a serrated knife to cut the rolls in half horizontally, keeping them connected. Place the bottom half of the rolls in the prepared baking dish. Spread half of the mayonnaise mixture over the bottom.
- Layer half of the cheese over the mayonnaise, followed by the roast beef. The top with the caramelized onions. Top with the remaining cheese.
- Spread the remaining mayonnaise mixture on the cut side of the top half of the rolls, then place the tops, cut side down, over the cheese.
- In another bowl, mix together the butter, Dijon, parsley, garlic flakes, and onion powder. Brush the mixture over the tops of the rolls. Cover the dish with foil.
- Bake in the preheated oven for 20 minutes, then remove the foil and cook an additional 5 minutes.
- Cut the sliders before serving.
Notes
- I like to bunch up the roast beef instead of laying it flat. The key is to get very thinly sliced roast beef.
- Feel free to swap out the provolone for Swiss cheese, which is a more traditional flavor combination.
- Nutrition information provided as an estimate only. Various brands and products can change the counts. Any nutritional information should be used as a general guide.
Nutrition Information
Show Details
Serving
2sliders
Calories
688kcal
(34%)
Carbohydrates
37g
(12%)
Protein
36g
(72%)
Fat
44g
(68%)
Saturated Fat
17g
(85%)
Polyunsaturated Fat
9g
Monounsaturated Fat
11g
Trans Fat
0g
Cholesterol
134mg
(45%)
Sodium
880mg
(37%)
Potassium
234mg
(7%)
Fiber
3g
(12%)
Sugar
14g
(28%)
Nutrition Facts
Serving: 6servings
Amount Per Serving
Calories 688 kcal
% Daily Value*
Serving | 2sliders | |
Calories | 688kcal | 34% |
Carbohydrates | 37g | 12% |
Protein | 36g | 72% |
Fat | 44g | 68% |
Saturated Fat | 17g | 85% |
Polyunsaturated Fat | 9g | 53% |
Monounsaturated Fat | 11g | 55% |
Trans Fat | 0g | 0% |
Cholesterol | 134mg | 45% |
Sodium | 880mg | 37% |
Potassium | 234mg | 5% |
Fiber | 3g | 12% |
Sugar | 14g | 28% |
* Percent Daily Values are based on a 2,000 calorie diet.
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