Step 1

Preheat the Blackstone Grill over medium high heat (approximately 400 degrees F).

Step 2

Add the butter to the grill and spread it out with a spatula.

Step 3

Add the sliced mushrooms to the grill and season it with half the garlic salt.  Toss to sauté the mushrooms in the butter and garlic salt.

Step 4

Divide the ground beef into 6 even balls (approximately 1/3 lb each).

Step 5

Place the ground beef on the Blackstone grill next to the mushrooms.

Step 6

Press firmly on the ground beef balls into the Blackstone Grill.  Do not smash it all the way down but just press slightly to form a burger patty.

Step 7

Season the beef with the remaining garlic salt and pepper.

Step 8

Cook the patties for 3-5 minutes until the sides of the patties begin to change colors.

Step 9

Flip the burgers (do not smash them down) and cook until burgers are cooked through (3-4 more minutes).

Step 10

Top each patties with the cooked sliced mushrooms and a piece of the Swiss cheese. Allow the cheese to melt onto the patties (1-2 minutes).

Step 11

Remove the beef and add them to one of the hamburger buns.

Step 12

Then add your favorite burger toppings and enjoy!