Preheat oven to 350*F
Mix together beef, beans and seasoning.
Divide mixture between 12 shells, filling and standing up in a 9x13 pan.
Sprinkle cheese over tacos, making sure it gets inside each taco.
Bake for 15-20 minutes until filling is heated thru and cheese is melted.
Serve with Shredded lettuce,tomato,sour cream,guacamole or other desired toppings.