Heat about 2 tablespoons of cooking oil (Olive, Canola, Corn or Vegetable Oil) in a sauce pan.
Add minced garlic, onion, cook until onion is tranclucent.
Add the pork, season with salt and pepper.
Turn heat to high and cook pork while stirring until it gets lightly brown and starting to caramelize.
Add in the red bell pepper, cook for about a minute then add soy sauce and vinegar.
Let vinegar cook for a minute, then add about a cup of water, then the brown sugar and tomato paste.
Bring to a boil, then lower heat and let it simmer for about 20 minute or until meat is a little tender.
Add potatoes, simmer some more until meat is really tender then add olives.
Do a taste test and adjust the seasoning as necessary.
Turn off heat and add fried saba (plantain) last.
Plate and serve with rice.