Preheat over to 325 degrees.
Brown ground beef. Drain fat.
Add spices to meat and stir well over medium heat for 1 to 2 minutes.
While the meat is cooking, spread Parmesan cheese out in two circles (approximately one cup per circle) on a nonstick surface or oven safe tray liner.
Place shells in oven for about 5 minutes or until you see the edges of the cheese brown.
Flip shells over on to an upside down bowl immediately after removing from oven to help shape them.
Let shells sit for 5 minutes until hardened and remove from bowl.
Fill with taco meat and any toppings you prefer.