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Close-up of thick, juicy beef sliders with a perfect char and melted cheddar cheese dripping over the sides.

The Ultimate Garlic Aioli Burger Sliders

These gourmet Garlic Aioli Burger Sliders feature thick, juicy beef patties with a perfect cast-iron char, melted cheddar cheese, fresh arugula, and a creamy garlic-parsley aioli, all served on toasted sesame brioche buns.
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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 6 sliders
Course: Dinner, Main Course
Cuisine: American
Calories: 480
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 1 lb 80/20 ground chuck 450g, divided into 6 patties.
  • 6 brioche slider buns With sesame seeds.
  • 3 slices sharp cheddar cheese 60g, cut in half.
  • 1 cup fresh arugula 30g, washed and dried.
  • 2 tbsp unsalted butter 30g, softened for toasting.
  • 1 tbsp olive oil 15ml, for searing.
  • 1 tsp kosher salt 5g.
  • 0.5 tsp black pepper 1g.
  • 0.5 cup mayonnaise 120ml.
  • 2 cloves garlic 10g, finely minced.
  • 1 tbsp lemon juice 15ml, freshly squeezed.
  • 1 tbsp fresh parsley 4g, finely chopped.

Equipment

  • 1 Cast Iron Skillet Essential for getting a deep, perfect char on the beef.
  • 1 Small Mixing Bowl Used for whisking together the homemade garlic aioli.

Method
 

Preparation and Cooking
  1. In a small mixing bowl, combine the mayonnaise, minced garlic, lemon juice, and chopped parsley. Season with a small pinch of salt and pepper. Whisk until smooth. Transfer a portion to a small serving bowl and refrigerate the rest.
  2. Divide the ground chuck into 6 equal portions and gently press them into thick patties. Season both sides generously with kosher salt and black pepper.
  3. Heat a cast-iron skillet over medium heat. Spread softened butter on the cut sides of the brioche buns and toast face down for 1-2 minutes until glossy and golden-brown. Set aside.
  4. Increase skillet heat to medium-high and add olive oil. Sear the patties for 3-4 minutes until a deep crust forms. Flip, top with cheddar cheese, and cook for 2 more minutes until melted.
  5. Spread garlic aioli on the toasted buns. Layer fresh arugula on the bottom bun, top with the cheesy beef patty, and cover with the sesame-seeded top bun. Serve immediately.

Notes

Tip 1. Do not press the patties with a spatula while cooking, or you will lose the juices.
Tip 2. Indent the center of the raw patties slightly to prevent them from puffing up into a dome shape.