A recipe for Philippine pork adobo is Filipino adobo with slow cooker variation that requires pork, vinegar, soy sauce, garlic and onion. Another recipe uses ketchup and green beans, in addition to the other ingredients.
An authentic pork adobo recipe requires 2 1/4 pounds of pork belly or liempo. Cut it into small chunks, and marinate with 1 head of smashed garlic cloves, 1/2 tablespoon of peppercorns and 6 tablespoons of soy sauce. Meanwhile, saute 1/2 small chopped onion for a few minutes before adding the marinated pork and 4 bay leaves. Cook until the fat melts and the liquid evaporates, and then add the marinade along with 1 cup of rice water to the pan. Bring everything to a boil until the pork is tender. Add 6 tablespoons of vinegar and simmer until the sauce is reduced.
Make the slow cooker variation by placing 3 to 4 pounds of pork into a slow cooker, and then layer on 1/2 cup of apple cider vinegar, 1/2 cup of soy sauce and 1 cup of water/ Stir in 4 crushed garlic cloves. 1 chopped medium onion. 2 teaspoons of salt and 3/4 teaspoon of ground pepper. Place 2 to 3 bay leaves and 2 teaspoons of whole peppercorns into a tea ball, and place the tea ball in the slow cooker. Cover, and cook on low for six hours. Serve with rice.