French Onion Meatball Sliders
French Onion Meatball Sliders
Ingredients
For the Meatballs
- 1 pound ground beef
- 1/2 cup breadcrumbs
- 1 egg
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 tablespoon Worcestershire sauce
- 1/2 teaspoon garlic powder
For the French Onion Sauce
- 2 tablespoons butter
- 1 onion, sliced
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
- 2 cloves garlic, minced
- 1 teaspoon fresh thyme
- 1 tablespoon flour
- 2 cups beef broth
- 1 tablespoon Worcestershire sauce
For the Sliders Assembly
- 12 Hawaiian rolls
- 6 slices provolone cheese
- 6 slices Gruyere cheese
- 2 tablespoons butter, melted
- 1 tablespoon fresh parsley, chopped, for brushing
- 1 tablespoon fresh parsley, chopped, for garnish
Instructions
- 1
In a large bowl, combine the ground beef, breadcrumbs, egg, 1/2 teaspoon salt, 1/2 teaspoon black pepper, 1 tablespoon Worcestershire sauce, and garlic powder. Mix thoroughly until well combined.
⏱️ 5 min
- 2
Roll the mixture into small, individual meatballs. In a large skillet, brown all sides of the meatballs over medium-high heat until cooked through. Remove meatballs from the skillet and set aside.
⏱️ 10 min
- 3
In the same skillet (or a separate pan), melt 2 tablespoons of butter over medium heat. Add the sliced onion, 1/2 teaspoon salt, and 1/2 teaspoon pepper. Cook, stirring occasionally, until the onions are deeply caramelized and golden brown, about 15-20 minutes.
⏱️ 15 min
- 4
Add the minced garlic and fresh thyme to the caramelized onions and stir for 1 minute until fragrant.
⏱️ 1 min
- 5
Stir in the flour and cook for 1 minute, stirring constantly, to remove the raw flour taste.
⏱️ 1 min
- 6
Gradually pour in the beef broth and 1 tablespoon of Worcestershire sauce. Whisk continuously until the sauce has thickened to your desired consistency.
⏱️ 5 min
- 7
Preheat your oven to 350°F (175°C).
⏱️ 5 min•🌡️ 350
- 8
Carefully slice the Hawaiian rolls in half horizontally, keeping the top and bottom halves intact. Place the bottom halves of the rolls in a baking dish.
⏱️ 2 min
- 9
Arrange the browned meatballs evenly on top of the bottom roll halves. Pour the prepared French onion sauce generously over the meatballs.
⏱️ 2 min
- 10
Tear the provolone cheese and Gruyere cheese slices into smaller pieces and distribute them evenly over the meatballs and sauce. Place the top halves of the Hawaiian rolls over the cheese layer.
⏱️ 2 min
- 11
In a small bowl, melt 2 tablespoons of butter and mix it with 1 tablespoon of chopped fresh parsley. Brush the tops of the Hawaiian rolls evenly with this melted butter and parsley mixture.
⏱️ 2 min
- 12
Bake the assembled sliders in the preheated oven for 20 minutes, or until the rolls are golden brown and the cheese is melted and bubbly.
⏱️ 20 min•🌡️ 350
- 13
Remove from the oven, garnish with additional fresh parsley, and serve immediately.
⏱️ 1 min
Kitchen Tools
Nutrition Facts (per serving)
French Onion Meatball Sliders
For the Meatballs
- 1 pound ground beef
- 1/2 cup breadcrumbs
- 1 egg
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 tablespoon Worcestershire sauce
- 1/2 teaspoon garlic powder
For the French Onion Sauce
- 2 tablespoons butter
- 1 onion, sliced
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
- 2 cloves garlic, minced
- 1 teaspoon fresh thyme
- 1 tablespoon flour
- 2 cups beef broth
- 1 tablespoon Worcestershire sauce
For the Sliders Assembly
- 12 Hawaiian rolls
- 6 slices provolone cheese
- 6 slices Gruyere cheese
- 2 tablespoons butter, melted
- 1 tablespoon fresh parsley, chopped, for brushing
- 1 tablespoon fresh parsley, chopped, for garnish
Instructions
- 1
In a large bowl, combine the ground beef, breadcrumbs, egg, 1/2 teaspoon salt, 1/2 teaspoon black pepper, 1 tablespoon Worcestershire sauce, and garlic powder. Mix thoroughly until well combined.
⏱️ 5 min - 2
Roll the mixture into small, individual meatballs. In a large skillet, brown all sides of the meatballs over medium-high heat until cooked through. Remove meatballs from the skillet and set aside.
⏱️ 10 min - 3
In the same skillet (or a separate pan), melt 2 tablespoons of butter over medium heat. Add the sliced onion, 1/2 teaspoon salt, and 1/2 teaspoon pepper. Cook, stirring occasionally, until the onions are deeply caramelized and golden brown, about 15-20 minutes.
⏱️ 15 min - 4
Add the minced garlic and fresh thyme to the caramelized onions and stir for 1 minute until fragrant.
⏱️ 1 min - 5
Stir in the flour and cook for 1 minute, stirring constantly, to remove the raw flour taste.
⏱️ 1 min - 6
Gradually pour in the beef broth and 1 tablespoon of Worcestershire sauce. Whisk continuously until the sauce has thickened to your desired consistency.
⏱️ 5 min - 7
Preheat your oven to 350°F (175°C).
⏱️ 5 min•🌡️ 350 - 8
Carefully slice the Hawaiian rolls in half horizontally, keeping the top and bottom halves intact. Place the bottom halves of the rolls in a baking dish.
⏱️ 2 min - 9
Arrange the browned meatballs evenly on top of the bottom roll halves. Pour the prepared French onion sauce generously over the meatballs.
⏱️ 2 min - 10
Tear the provolone cheese and Gruyere cheese slices into smaller pieces and distribute them evenly over the meatballs and sauce. Place the top halves of the Hawaiian rolls over the cheese layer.
⏱️ 2 min - 11
In a small bowl, melt 2 tablespoons of butter and mix it with 1 tablespoon of chopped fresh parsley. Brush the tops of the Hawaiian rolls evenly with this melted butter and parsley mixture.
⏱️ 2 min - 12
Bake the assembled sliders in the preheated oven for 20 minutes, or until the rolls are golden brown and the cheese is melted and bubbly.
⏱️ 20 min•🌡️ 350 - 13
Remove from the oven, garnish with additional fresh parsley, and serve immediately.
⏱️ 1 min