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a close up photo of an air fryer slider burger

French Onion Air Fryer Sliders

Prep Time: 10 minutes
Cook Time: 7 minutes
Additional Time: 2 minutes
Total Time: 19 minutes
Author: Michelle Goth
It's totally easy to make delicious burgers in the air fryer using simple ingredients! Make these easy air fryer sliders topped with sauteed onions, cheese and arugula.
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Ingredients
 

For the burger patties:

  • 1 pound Laura's Lean Ground Beef
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon salt

For the caramelized onion topping:

  • 1 tablespoon olive oil
  • 1.5 yellow onions, sliced thin
  • 2 tablespoons Worcestershire sauce
  • 1 teaspoon brown sugar

Accompaniments:

  • 8 slider buns
  • 4 slices Swiss cheese, halved
  • 1 cup fresh arugula
  • cooking spray

Instructions
 

  • Spray the air fryer basket with cooking oil, then preheat the air fryer to 390 degrees Fahrenheit.
  • Prepare the onions: To a large, non-stick skillet, add olive oil and heat on medium-high heat. Add onions, Worcestershire sauce and brown sugar. Reduce the heat to low and allow to cook, stirring frequently, for 12-15 minutes. Remove from heat when onions and soft and golden brown.
  • Prepare burger patties: In a large bowl, add ingredients for burger patties. Stir to combine.Divide the burger mixture into 8 balls, then flatten them into small patties.
  • Air Fry: Place patties in the preheated air fryer basket in a single layer, then spray lightly with cooking spray. Air fry for about 5 minutes, then flip and place the cheese slices on top of the patties. Air fry for an additional 1-2 minutes, until the internal temperature reaches 160 degrees Fahrenheit using a meat thermometer. Remove the juicy air fryer hamburgers and allow them to rest on a plate, tented with aluminum foil.
  • Toast Buns: While the patties rest, add the buns to the air fryer to warm and toast for 1-2 minutes.
  • Assemble: To assemble the sliders, place the cooked burger patty with cheese on the bottom bun, then add a spoonful of onions and arugula, and the top bun. Serve warm.

Notes

Some recommend lining your air fryer with aluminum foil for easy clean-up, but I do not recommend doing this because it blocks the circulating air. 
Depending on the size of your air fryer, you may have to fry in batches. As the air fryer gets hotter, you may need to reduce the cooking time by 1-2 minutes for the later batches.
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