Blackstone Chicken Parmesan Sloppy Joes

Name: Blackstone Chicken Parmesan Sloppy Joes
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Cuisine: American, Italian
Ingredients: cooking oil of choice; 1 onion (diced); kosher salt, pepper, Italian seasoning (I used Blackstone Tuscan herb seasoning); 1 pound ground chicken; 6 cloves garlic (minced); 2 to 3 cups marinara sauce; 8 slices frozen garlic toast (thawed); 8 slices provolone cheese; 1/4 cup shredded or shaved parmesan cheese; Optional: basil for garnish