Step 1

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

Step 2

Mix the patty ingredients together in a small bowl.  Reserve 2 Tablespoons of the ketchup for the patty toppings.  Mix the ingredients together with your hands and form into 4 even balls.

Step 3

Spread the avocado oil onto the Blackstone grill.  Place the ground beef balls on the Blackstone grill on the oil.

Step 4

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 5

Cook the patties for 3 minutes -5 minutes.

Step 6

Flip the burgers (do not press down) and cook until burgers are cooked through (3-4 more minutes).  Spoon the reserved ketchup on top of each patty (approximately 1/2 tablespoon on each patty).

Step 7

Place the buns on the Blackstone grill for 1 minute to toast the buns.  Then serve the patties on the buns with the lettuce, tomatoes and sliced onions.

Step 8

Serve warm and enjoy!