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close up of french onion sliders

French Onion Beef Sliders

The French Onion Beef Sliders are a quick, easy and a delicious appetizer for any party from tailgates to a holiday starter or side dish. By using ground beef as the filling, they are ready to serve in about 30 minutes and have all your favorite caramelized onion flavors in every bite.
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Ingredients

Serves 12 sliders
  • 1 pack of potato rolls
  • 1 lb ground beef
  • 1 wheel of Boursin cheese
  • 1 large sweet onion
  • Sea salt
  • Pepper
  • Chives
  • 1 tsp neutral oil
  • 1 tsp garlic powder
  • 1 tbsp butter
  • 2 tbsp balsamic
  • Drizzle of balsamic glaze

Instructions 

  • Using a mandolin, or carefully with a knife, thinly slice onions. Add butter to skillet and then add onions. Cook on medium heat, stirring often for about 25-35 min or until onions have softened completely and become jammy and browned. If pan gets dry, add a little splash of water to keep from sticking or burning. 
  • Add neutral oil to skillet and add garlic clove. Cook for about 2 min and then add ground beef. Season with salt and pepper. Cook, breaking the beef up with a wooden spoon into small pieces, until cooked through, about 5 minutes. Add balsamic, and garlic powder. Cook, stirring constantly, until deeply browned in spots, about 2 minutes.
  • Add one wheel of Boursin cheese and add directly to the warm pan. With the skillet on low, gently fold the cheese into the beef until everything is creamy, smooth and combined.
  • Slice open potato rolls. Add a layer of boursin ground beef and a layer of caramelized onions. Dice chives and sprinkle overtop along with another drizzle of balsamic glaze. Close and serve. Enjoy! 

Notes

Storage: 
Store any leftover beef sliders in the fridge for up to 2 days. Reheat in the microwave for a few seconds or even in the oven or the toaster oven too. The best method for storing these sliders is to keep the meat separate from the bun. Rewarm the beef mixture on its own, then place onto the slider bun.
We don't recommend freezing the sliders, but you can easily freeze the meat or onion mixture for up to 2 months. Thaw and reheat before serving.
If you want to make the sliders in advance, it's easy to make both the onions and beef ahead of time and rewarm them when it's time to serve.