Heat olive oil in a large skillet over medium high heat. Add the onion and cook, stirring occasionally, for 4 minutes. Add in the bell pepper and cook for 2 minutes.

Stir in the Worcestershire sauce, chili powder, cumin, paprika, and garlic cloves. Mix well and cook for 2 minutes.

Add in the ground beef, salt, and pepper. Cook, breaking up the beef, for 5 minutes or until no longer pink.

Mix in the green chilies, salsa, and hot sauce. Bring the mixture to a simmer.

Reduce heat to low and cook, stirring occasionally, for 10 minutes.

To serves, fill the taco shells with ground beef mixture and top with cheese, lettuce, jalapenos, and sour cream.