Bison Burger with Garlic Mayo and Caramelized Onions

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  • Level: Easy
  • Total: 21 min
  • Prep: 15 min
  • Cook: 6 min
  • Yield: 4 burgers
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Ingredients

Burgers:

1 pound ground bison

1 pound ground beef sirloin

1 yellow onion, minced

4 cloves garlic, minced

2 tablespoons chopped fresh parsley

1 tablespoon onion powder

1 tablespoon garlic powder

1 teaspoon seasoning salt

1/4 cup ketchup

2 tablespoons Worcestershire Sauce

Freshly cracked black pepper, to taste

Kosher salt, optional

Olive oil, for cooking

Onions:

2 tablespoons bacon fat or olive oil

1 yellow onion, sliced thin

Kosher salt and freshly ground black pepper, to taste

Garlic mayonnaise:

1/2 cup prepared mayonnaise

2 tablespoons chopped fresh parsley

4 cloves raw garlic, chopped

Kosher salt and freshly ground black pepper, to taste

To serve:

4 slices Wisconsin Cheddar cheese

4 burger buns

1 cup fresh arugula greens

4 cornichon pickles

Directions

Special equipment:
4 toothpicks
  1. To make the burgers: 
  2. In a large bowl mix the bison, beef sirloin, onions, garlic, and parsley until just combined. Add in the onion powder, garlic powder, seasoning salt, ketchup, Worcestershire, and a few turns of freshly ground black pepper. Add it all to the meat mixture and mix well to combine. Heat a large saute pan over medium-high heat and cook a small portion of the meat. Taste the cooked beef to see if you need to add salt. Add salt to the meat mixture to taste. Divide the meat into 4 evenly portioned round patties and set aside. 
  3. To make the onions: 
  4. Heat the bacon fat over medium-high heat in a large saute pan and add the onions. Cook for 1 minute, then season with salt. Cook the onions, stirring a lot, until they start to turn brown. If the onions start sticking to the pan and turning too dark, pour in a spoonful of water and scrape with a wooden spoon to pull them off the pan. Continue to cook and stir the onions until they're dark brown and caramelized, about 8 to 10 minutes. Turn off the heat and set aside. 
  5. To make the mayonnaise: 
  6. In a bowl, combine the mayonnaise, parsley, garlic, salt, and pepper, to taste and mix well. 
  7. To serve: 
  8. Reheat the large skillet over medium-high heat and drizzle in some olive oil. Heat the olive oil then place the burger patties in the pan. Cook for 3 minutes on each side for medium-rare. Top the burgers with a slice of cheese. To assemble, spread some garlic mayo on the bottom of the toasted bun. Put the burger on the mayo, top with caramelized onions, and then arugula. Cover with a bun top. Stick a toothpick into a cornichon and then stick into the top of the burger and serve.

Cook’s Note

You may need less salt if you're using bacon fat as bacon tends to be salty.

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