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Crispy Sheet Pan Smash Burgers Recipe Easy Homemade Sauce and Onions

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These crispy sheet pan smash burgers deliver juicy, caramelized, and flavorful patties with a special tangy sauce and sweet caramelized onions, all made easily on a hot sheet pan without the grill.

Ingredients

Scale
  • 1.5 pounds ground beef (80/20 blend)
  • Salt and freshly ground black pepper, to taste
  • 2 medium yellow onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 1/2 cup mayonnaise
  • 2 tablespoons ketchup
  • 1 tablespoon Dijon mustard
  • 1 teaspoon Worcestershire sauce
  • 1/2 teaspoon garlic powder
  • Pickle slices (optional)
  • 4 sturdy hamburger buns, toasted if desired

Instructions

  1. Preheat your oven to 450°F (232°C) and place a large rimmed sheet pan in the oven to heat for 10-15 minutes.
  2. Melt 2 tablespoons of butter over medium heat in a large skillet. Add thinly sliced onions and a pinch of salt. Cook slowly, stirring occasionally, until golden brown and soft, about 20-25 minutes. Add a splash of water if onions stick or brown too fast.
  3. In a mixing bowl, combine 1/2 cup mayonnaise, 2 tablespoons ketchup, 1 tablespoon Dijon mustard, 1 teaspoon Worcestershire sauce, and 1/2 teaspoon garlic powder. Stir until smooth and refrigerate until ready to use.
  4. Divide ground beef into 8 equal portions (about 3 ounces each). Gently roll into loose balls without compacting.
  5. Remove the hot sheet pan from the oven and lightly oil or spray it to prevent sticking. Place 4 beef balls spaced apart on the pan. Using a metal spatula, press each ball down firmly and evenly to about 1/4 inch thickness. Return the pan to the oven and bake for 7-9 minutes.
  6. Remove the pan, flip each patty, and immediately add a spoonful of caramelized onions on top. Bake for another 3-4 minutes until cooked through but still juicy.
  7. Toast the buns cut-side up in a dry skillet or under the broiler until golden and slightly crisp.
  8. Spread a generous amount of special sauce on both bun halves. Place the patties with onions on the bottom bun, add pickles if using, then top with the bun crown.
  9. Serve immediately while edges are crispy and sauce is cool.

Notes

Preheat the sheet pan to get a crispy crust. Handle beef gently and form loose balls for best smash effect. Smash patties to about 1/4 inch thickness. Flip only once and add onions immediately after flipping. Caramelize onions low and slow for best flavor. Rest burgers briefly after baking. Use two sheet pans if cooking all eight patties at once and rotate halfway through. Avoid pressing patties too hard to prevent dryness.

Nutrition

Keywords: smash burgers, sheet pan burgers, crispy burgers, homemade burger sauce, caramelized onions, easy burger recipe, quick dinner, sheet pan cooking

Find it online: https://coracooks.com/crispy-sheet-pan-smash-burgers-recipe-easy-homemade-sauce-and-onions/