Mushroom Swiss Burgers Recipe
Ingredients
For the Burgers
- 1½ lbs. 85% lean ground beef (use 80% or 90% if you prefer)
- 1 tsp kosher salt
- ½ tsp ground black pepper
- 1 tsp minced fresh rosemary (optional, or try thyme)
For the Mushrooms
- 3 tbsp unsalted butter
- 1 yellow onion (sliced)
- 8 oz. sliced mushrooms (1 standard package, any variety)
- 1 tbsp balsamic vinegar
- salt and pepper (to taste)
For Assembly
- 6 brioche hamburger buns
- 6 tbsp unsalted butter (¾ stick)
- 6 slices Swiss cheese
- mayonnaise (optional, for topping)
- a few handfuls of arugula (optional, for topping)
Instructions
- 1
Stir
- 2
In a large bowl, gently stir the ground beef, salt, pepper, and rosemary together. Divide into 6 even patties and set aside.
- 3
Cook
- 4
In a cast iron skillet, melt the 3 tbsp of butter for the mushrooms over medium-high heat. Add in the onion and cook until softened and golden, about 10-12 minutes. Add in the mushrooms and cook until caramelized, about 10 minutes.
12 min - 5
Scrape
- 6
Stir in the balsamic vinegar plus 2 tbsp of water, scraping up the browned bits from the bottom of the pan. Season with salt and pepper to taste and set aside.
- 7
Toast
- 8
Wipe out the skillet and return it to medium-high heat. Spread each bun top and bottom with ½ tbsp butter each. Place butter side down into the skillet and cook until golden and toasted, about 3-5 minutes. Remove from the pan and set and set aside.
5 min - 9
Cook
- 10
Place the patties into the skillet. Cook until the bottom side has formed a nice dark brown crust, flip and cover each patty with cheese. Cover and cook for 5-6 minutes until the cheese is melted.
6 min - 11
Assemble
- 12
To assemble the burgers, brush the bottom bun with mayonnaise, if desired. Place the patty on top, then mushrooms, arugula and the top bun. Enjoy!
Nutrition
Per serving (based on 6 servings)
