Preheat oven to 350°
Wash and cut the stem off of each pepper.
Remove the seeds and membranes and, if necessary, trim the bottom of the peppers evenly so they stand upright.
Spray a 8 x 8 baking dish with nonstick spray.
Precook peppers for 15 minutes before stuffing them for a more tender pepper.
In a large frying pan, cook ground beef, onion, and garlic until meat is no longer pink.
Drain and return to pan.
Add Rotel, tomato paste, salt, pepper, Cajun seasoning, crushed red pepper flakes to pan. Stir and cook until hot.
Add Worcestershire sauce and cooked rice. Stir.
Add 1 cup of cheese into meat mixture. Stir.
Spoon mixture into peppers.
Top with cheese and bake for 30-40 minutes depending on the size of the peppers or until the peppers are tender.