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Bison Sliders Bison Sliders with Whiskey Soaked Onions and Mushrooms

Super flavor packed Bison Slider Burgers with whiskey soaked caramelized onions and mushrooms.

Ingredients

Scale
  • 2 teaspoons kosher salt plus more for seasoning onions and mushrooms
  • 2 tablespoons unsalted butter divided
  • 2 tablespoons olive oil divided
  • 2 large yellow onions halved and sliced paper thin
  • 1 ounce whiskey
  • 1 pound ground bison
  • 8 mini burger buns
  • 12 ounces cremini or portabella mushrooms stemmed and thinly sliced
  • 2 medium garlic cloves
  • 3 sprigs fresh thyme
  • good-quality mayonnaise for serving
  • 2 handfuls baby arugula for serving

Instructions

  • Heat 1 tablespoon of each the oil and butter in a medium cast iron pan (or other heavy-bottomed pan) over medium-hight heat. Add the onions and a pinch of salt and stir to coat. Reduce the heat to low and cook, stirring every few minutes, until the onions are softened and golden brown, at least 20 minutes. Remove the pan from the stove, add the whiskey, stir to coat and return to the stove over medium heat. Cook just until the alcohol smell is cooked off then set aside until ready to use. Meanwhile, make the mushrooms.
  • Heat 1 tablespoon of each the oil and butter in a medium cast iron pan (or other heavy-bottomed pan) over medium-hight heat. When the oil shimmers, add the mushrooms, thyme, and garlic, stir to coat in the oil, season with salt and pepper and cook undisturbed at least 5 minutes. Stir the mushrooms occassionally and continue to cook until the mushrooms have let off the excess water and they’re golden brown, about 5 to 10 minutes more. Remove from heat and set aside until ready to use.
  • In a large bowl, mix together the bison and salt until well combined. Shape into 8 (1/4-inch thick) patties.
  • Get your grill nice and hot. Rub the grate with a towel dipped in oil. Sear the patty completely on one side for about 1 minute then flip it and sear the other side. This hot sear will lock in juices. Now turn down the heat to a medium/low heat and cook for a few minutes on each side, only turning once. Exact time will depend on your patty size.
  • Serve the sliders on the buns topped with mayonnaise, mushrooms, onions, and arugula.