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Playing Smash Burgers with Sweet Onions


  • EVOO – Extra Virgin Olive Oil
  • 3 large onions, cut in half and thinly sliced
  • Salt and pepper
  • 1 1/2 pounds 70-80% lean ground beef
  • 8 slices Comté cheese
  • 4 Kaiser rolls, split
  • Butter
  • 12 to 14 cornichons, finely chopped


Serves: 4


Heat a skillet over medium heat with olive oil, 2 turns of the pan. Add onions and season with salt and a little pepper. Cook onions until caramel in color and very sweet, 35-40 minutes.  
Heat a cast-iron skillet or griddle over medium-high heat. Loosely form 4 patties of beef and place them onto a hot grill, flattening them evenly with a spatula. Season with Kosher salt and pepper, top with caramelized onions and press onions into the burger. Cook to crust and brown the meat, 3 minutes. Flip, season and press and crisp the opposite side; cook 2-3 minutes more.

Butter the insides of the Kaiser rolls. Layer your burgers: Kaiser roll bottom, butter-side facing out, cornichons, cheese, burger patty, cheese, Kaiser roll top, butter-side facing out.

Return the built burgers to your skillet or griddle, and press them down with a pot lid or a heavy pan to brown the rolls and melt the cheese. Once brown on one side, flip and press them down again to brown other side.