Low Carb Burgers

1 lb 93/7 ground beef
1 small onion, diced
1/2 zucchini, shredded
1-2 tbsp worchestershire sauce
1 tsp grill seasoning
2 tbsp flax meal
Pepper Jack Cheese cubes

In bowl, mix ground beef, and all other ingredients (except cheese) with your hands. Divide into 4 portions. Form each pattie by inserting 1-2 cheese cubes into the portion of meat mixture, forming a pattie around the cheese, making sure the cheese is sealed inside. Grill outside on grill, on indoor grill pan, or George Foreman Grill until desired doneness. To serve, Wrap each pattie in a large bibb lettuce leaf, with sliced tomato, onion, spinach, and condiments of your choosing.