Directions

1. Preheat oven to 350F (175C).
2. In a large bowl, combine ground beef, uncooked rice, chopped onion, egg, salt, and pepper; mix until well blended.
3. Shape mixture into 1.5-inch meatballs.
4. Heat oil in an oven-safe skillet over medium heat and brown meatballs on all sides.
5. In a separate bowl, mix tomato sauce, water or broth, and Worcestershire sauce.
6. Pour tomato sauce mixture over the browned meatballs in the skillet.
7. Cover skillet with a lid or foil and bake in preheated oven for 40 minutes, until meatballs are cooked through and rice is tender.
8. Serve hot, spooning tomato sauce over meatballs.