Step 1

Preheat the oven to broil.

Step 2

Add the oil to a skillet over medium heat, and cook the onions and peppers until softened.

Step 3

Stir in the meat, and cook until browned. Drain the excess grease.

Step 4

In a bowl, whisk together the cornstarch and chicken broth.

Step 5

Add the worcestershire sauce, ketchup, taco seasoning and salt and pepper to taste to the meat mixture, and stir to combine.

Step 6

Mix in the cornstarch mixture, and simmer until the mixture thickens.

Step 7

Spoon the meat mixture into the buns, top with the cheese and broil for 1-2 minutes before serving.