Preheat oven 375 degrees
Cook the rice, start heating the sauce, and sauté the onions
When the onions are translucent, add ground beef, garlic, and fresh basil. Cook until beef is browned.
Prep the peppers (cut the tops off and pull all the shit out of them)
Combine beef mixture, cooked rice, 1-1/2 cups mozzarella, and 1 cup sauce
Add a layer of sauce to baking dish. Stuff peppers with mixture and add those to the dish (mixture side up).
Sprinkle remaining mozzarella on peppers and top with a slice of provolone cheese
Cover with foil and bake for 45 minutes
Remove foil and bake for an additional 10 minutes, or until cheese is bubbling and starts to brown.
Serve immediately with the rest of the sauce and plenty of grated parmesan cheese.