Chinese Ham Bone Rice Soup (Congee)

Bahan-bahan (5 porsi)

• 1 kg (2 lb) ham bone / hock ((Note 1))
• 1 1/4 cups long grain white rice (, uncooked)
• 9 cups (2.25 L or 2.25 QT) water
• Salt & white pepper
• Finely sliced green onion
• Fried asian shallots / onions or something else crunchy (, optional (Note 2))
• Sesame oil (, optional)