Step 1

Preheat the oven to 350 degrees Fahrenheit.

Step 2

Brown the ground beef in a large skillet over medium high heat.

Step 3

Once browned, drain off any excess grease.

Step 4

Then stir in the brown sugar, mustard and ketchup.  Stir to combine the ingredients.

Step 5

Bring the mixture to a low simmer and cook for approximately 5 minutes.

Step 6

Place the taco shells in a baking dish.  Spoon the beef mixture evenly into each of the shells and top with the shredded cheese.

Step 7

Bake for 5-7 minutes until the cheese is melted.

Step 8

Then the tacos are ready to serve and enjoy!