Slice the peppers in half and seed. Place them in to a casserole dish that has been prepared with cooking spray, Cover with foil and place the halves into the oven for 30 minutes. Remove and place on top of the stove until filling is ready.
In a skillet brown the ground beef and onions.
Add 1 can of rotel tomatoes and half of the second can. Reserve the remaining half. Add tomato sauce, garlic, Zatarains and pepper to taste. Simmer for 15 minutes.
Add rice, stirring well and simmer for 15 minutes. Remove from the heat and let stand for 5 minutes.
Fill peppers and spoon the remaining rotel over the filling. Cover back up with the foil and bake for 45 minutes.
Remove peppers from the oven and top with cheese. Return to the oven covered with foil for 15 minutes. Remove when the cheese is melted and enjoy.