Reduce the salt in the cod fish. Overnight method: remove skin and soak in cold water overnight. Drain, flake and set aside. Same-day method: put codfish in a saucepan with water and bring to a boil then drain. Repeat two more times; drain, flake and set aside.
Drain canned callaloo in a colander and set aside.
Saute chopped onion and tomato in cooking oil until onion is transparent.
Add flaked cod fish and 1 tbsp of oil to the saucepan.
Gently fold in callaloo and sprinkle with remaining pepper.
Cover and simmer on low heat for four to five minutes.
