1. Heat the casserole and pour a little oil. Once hot, saute garlic and onion.
2. Add in pork. Fry for 5 minutes then pour in the water. Season with salt and pepper. Cover and let it simmer for 15 minutes.
3. Mix in the tomato sauce in the casserole and let it simmer again for 20 minutes or until the meat is tender.
4. Once tender, combine the potatoes, green peas, carrots and stir in gently. Turn off the heat after 5 minutes.
Serve with hot steamed rice.