Marinate the tofu with salt and pepper and a bit of soy sauce and set aside for 30 minutes. Heat oil and deep fry the tofu then set aside.

Using same pan saute the onion and garlic. Add the tomatoes and saute until tomatoes are crushed. Add potatoes, then carrots, then bell pepper.

Pour the tomato sauce, tomato paste, soy sauce and water and let it boil. After it boils, add your salt, pepper, and sugar. You may also add fish sauce but this is optional.

Add the tofu back into the pan. Let it simmer for 2 more minutes then transfer to a serving plate, share and enjoy.