On a medium heat pan, saute' garlic then add onions. While mixing, add tomatoes, squid. laurel leaves, salt, soy sauce, oyster sauce and ground black pepper.
Then, add water and bring to a boil after mixing everything well.
Add red and green chilies and then add vinegar. Then. add brown sugar and mix well. Let it simmer for a few minutes.
Finally, add scallions. You may opt to add fish sauce (optional) if necessary. Serve hot in a bowl and enjoy!