French Onion Meatball Sliders
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French Onion Meatball Sliders are a great option for gatherings, weeknight dinners, or casual parties. The combination of savory meatballs, melty cheese, and caramelized onions makes this dish flavorful and satisfying. These sliders are served on soft rolls, making them easy to enjoy and share.
For a meal, serve these sliders with Air Fryer broccolini.
French Onion Meatball Sliders
Caramelizing the onions slowly is the key to the best flavor. Take your time, as this step brings out a sweet and rich depth that pairs perfectly with the meatballs. For a shortcut, you can prepare the onions ahead of time and store them in the fridge until needed.
Equipment you’ll need
- sheet pan
- serrated knife
- pastry brush
- Bowls
- 2 Tablespoon spring-release scoop
- can opener
- measuring cups and spoons
- instant-read thermometer
- 7×11-inch casserole dish
Ingredients
- 1 12-count pack Hawaiian sweet rolls
- 1 pound hamburger meat
- ⅔ cup bread crumbs
- 1 large egg whisked
- salt and pepper to taste
- 1 can french onion soup
- 2 medium yellow onions thinly sliced
- 2 tablespoons oil
- 2 tablespoons butter softened
- 18 slices Swiss cheese or Gruyere cheese, sliced
French Onion Meatball Sliders Cooking Tips
- Use freshly ground meat for the juiciest meatballs. Mixing the ingredients gently will keep them tender. Overmixing can make them dense.
- Toast the rolls lightly before assembling for a slight crunch and better structure. Spread a little softened
butter on the tops before baking for added flavor. - When caramelizing onions, keep the heat low and stir often to prevent burning. A splash of beef broth or water can deglaze the pan if needed.
French Onion Meatball Sliders FAQ
Yes, you can prep the meatballs and caramelized onions in advance. Store them separately in the fridge, then assemble and bake when ready to serve.
Swiss or Gruyere is ideal because it melts easily and complements the onions. Other melty cheeses like provolone or mozzarella could work, too.
Keep sliders in an airtight container in the fridge for up to two days. Reheat them in the oven at a low temperature to keep the bread from getting soggy.
Conclusion
French Onion Meatball Sliders are a satisfying dish that’s great for sharing. They’re easy to prepare with a little planning and deliver a delicious combination of flavors. With these tips, you’ll make sliders that are sure to be a hit.
While you’re here, check out these recipes
French Onion Meatball Sliders
Equipment
Ingredients
- 1 pound hamburger meat
- ⅔ cup bread crumbs
- 1 large egg whisked
- salt and pepper to taste
- 1 can french onion soup
- 2 medium yellow onions thinly sliced
- 2 tablespoons oil
- 2 tablespoons butter softened
- 18 slices Swiss cheese or Gruyere cheese, sliced
- 1 12-count pack Hawaiian sweet rolls
Instructions
- In a medium-sized bowl add the hamburger, bread crumbs, egg, salt, and pepper. Mix together until it is well combined and the egg is incorporated.1 pound hamburger meat, ⅔ cup bread crumbs, 1 large egg, salt and pepper to taste
- Preheat oven to 350 degrees.
- Using a spring release scoop, scoop the mixture into balls.
- Place the meatballs in a baking dish. Pour the soup over the meatballs and bake for 25 minutes at 350 degrees.1 can french onion soup
- While those bake, cook the onions. In a medium skillet, heat 2 tablespoons of oil. Add onion slices and cook over medium-low heat until onions caramelize, about 15 minutes. Stir frequently. Remove them from the skillet when caramelized.2 medium yellow onions, 2 tablespoons oil
- Slice rolls in half and spread the butter on each side of the rolls. Place butter side up on a cookie sheet.2 tablespoons butter, 1 12-count pack Hawaiian sweet rolls
- Once meatballs are cooked, remove from oven and set aside. Turn oven to low broil and set the rolls in the oven for 3-5 minutes, until the butter melts and bread toasts.
- Remove rolls from oven but leave the oven on low broil.
- Place the meatballs on the bottom part of each roll, top with generously with onions, top with slices of cheese. Repeats with remaining meatballs, onions, bread and cheese. (How many meatballs goes on each roll depends on how large they are and how many you have.)18 slices Swiss cheese
- Place the rolls with the meatballs on them back in the oven on low broil. Broil until the cheese melts and is golden and bubbly.
- Remove from oven, top with other half of bread and press down gently. Serve.
Nutrition
Nutritional information given is an automatic calculation and can vary based on the exact products you use and changes you make to the recipe. If these numbers are important to you, I recommend calculating them yourself.