Bathe meat in salt and lemon juice, and grill it for 10 minutes on every side.
Oil slow-cooker and put meat inside. Pour in your choice of sauce and soy sauce as well.
Add carrots, bean sprouts and water. Turn on high and let it cook for 3 hours.
After 3 hours, pour in tomato juice and let it cook for one more hour. (But you could also pour tomato juice at the start)
After 4 hours of cooking, it is ready to serve!