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Gourmet Beef Sliders on a plate

The Perfect Burger

Course: American
Cuisine: American
Keyword: burger, how to make aioli, party food recipes
Prep Time: 1 hour
Cook Time: 15 minutes
Total Time: 1 hour 15 minutes
Servings: 4 people
Calories: 568kcal
This Gourmet Sliders recipe is amazing with caramelized onions, fresh sirloin beef, rosemary aioli and melted Gouda cheese! Incredible!
Print Recipe


  • Gas or charcoal grill, indoor grill, or cast-iron skillet (for the stove)


  • 2 tbsp olive oil
  • 4 yellow onions sliced
  • 1 tbsp balsamic vinegar
  • ¼ cup dry white wine
  • 2 tbsp canola oil
  • lbs ground sirloin 85%..formed into 2-inch patties (I use a 2-inch cookie cutter!) (You should get between 6 to 8 slider patties)
  • Kosher salt and fresh ground black pepper
  • 8 slices Gouda cheese I use a 3-inch cookie cutter to get the perfect size
  • ¼ cup rosemary aioli
  • slider buns



  • In a large skillet, heat the olive oil over medium heat.
  • Add the onions and reduce the heat to medium-low.
  • Add the balsamic vinegar.
  • Cook for about an hour stirring frequently.
  • Increase the heat to medium-high, and add the wine and stir with a wooden spoon.
  • Cook for about another 10 minutes, until the onions are dark, remove from heat.


  • Salt and pepper each side of the patties.
  • Press an indention with your fingers/thumbs in the center of the patty.


  • Place your cast-iron skillet over medium-high heat on your stove, or crank up your grill to medium-high heat.
  • If using your cast-iron skillet, add 1 tablespoon of canola oil.
  • Once fully heated, add the patties. Cook on one side for about 4 minutes. Then flip.
  • Cook on the other side for about 4 minutes.
  • In the last minute, add the cheese.
  • Place a large pot over the burgers to melt the cheese evenly.
  • Meanwhile, slice the buns, butter them, and place under the broiler for about 3 minutes (keep an eye on them! Time varies depending on oven).
  • Remove burgers from heat source.
  • Add rosemary aioli to bottom bun.
  • Place the burger on the bottom bun.
  • Generously add caramelized onions on top of the burger.
  • Place toasted bun on top.


Calories: 568kcal | Carbohydrates: 13g | Protein: 48g | Fat: 24g | Saturated Fat: 8g | Cholesterol: 184mg | Sodium: 610mg | Potassium: 746mg | Fiber: 2g | Sugar: 7g | Vitamin A: 338IU | Vitamin C: 8mg | Calcium: 471mg | Iron: 4mg