1. Bring a large pot of water to a boil. Boil cabbage leaves 2 minutes; drain.
2. In large bowl, combine 1 cup cooked rice, egg, milk, onion, ground beef, salt, and pepper. Place about 1/4 cup of meat mixture in center of each cabbage leaf, and roll up, tucking in ends. Place rolls in slow cooker.
3. In a small bowl, mix together tomato sauce, brown sugar, lemon juice, and Worcestershire sauce. Pour over cabbage rolls.
4. Cover, and cook on Low 8 to 9 hours.
Calories 246 kcal 12%
Carbohydrates 18.3 g 6%
Cholesterol 88 mg 29%
Fat 10.8 g 17%
Fiber 2 g 8%
Protein 19 g 38%
Sodium 748 mg 30%