Stuffed Pepper Fall Stew

1 yellow onion

1 green bell pepper

1 yellow bell pepper

½ tsp black peppercorn

1 salt

3 tbsp olive oil

1 tomato

1 lb ground beef

3 cup beef broth

3 tbsp tomato paste

1 tsp oregano

1 dried basil

1 tsp garlic powder

¾ cup jasmine rice