Combine all of the taco seasoning ingredients in a small bowl and mix well. Set aside.

Heat a large skillet to medium-high heat. Add the ground beef and cook while breaking up into chunks with a spoon or spatula until browned. Drain any excess grease. Add taco seasoning, refried beans, and tomato sauce. Cook and stir to combine all of the ingredients until well combined and the ground beef is fully cooked.

Spoon the meat mixture into the taco shells and place into a 9x13 inch baking dish. Top the filled tacos with Mexican cheese blend.

Place into the oven and bake for 10 minutes or until the cheese has melted.