Rice Balls with Meat Sauce

My mom's deep-fried rice balls, flavored with traditional Italian cheeses, make a hearty main dish. She serves them with her special spaghetti sauce - my favorite - featuring ground beef and artichoke hearts.
-Concetta Maranto Skenfield, Bakersfield, California
6-8 ServingsPrep: 50 min. + chilling Cook: 1 hour
Ingredients
- 1 pound ground beef
- 1 small onion, finely chopped
- 3 garlic cloves, minced
- 2 cans (15 ounces each) tomato sauce
- 1 can (14 ounces) water-packed artichoke hearts, rinsed, drained and chopped
- 1 cup frozen peas
- 1 jar (4-1/2 ounces) sliced mushrooms, drained
- 3 bay leaves
- 1 tablespoon sugar
- 2 teaspoons dried oregano
- 2 teaspoons dried basil
- 1/4 teaspoon pepper
- CHEESE-STUFFED RICE BALLS:
- 3 eggs
- 2-1/2 cups cooked rice
- 1/3 cup butter, melted
- 2/3 cup grated Parmesan or Romano cheese
- 1/4 cup minced fresh parsley
- 1/2 teaspoon salt
- 1/4 teaspoon pepper
- 2 ounces cubed part-skim mozzarella cheese
- 1 cup dry bread crumbs