Mix together the kecap manis, oyster sauce, ketchup and soy sauce. Cook the noodles according to packet instructions. Put the tofu in a large bowl and sprinkle with cornflour then toss to coat.
Fry the tofu in the oil until browned all over. Remove and set aside. Add the garlic and chilli and fry for a couple of minutes then add the tomato and fry for another minute. Add the noodles, tofu, sauce and spring onions. Serve with lime wedges.
Nutrition information is an estimate and will vary depending on the exact ingredients used.