Season chicken with adobo, garlic powder, salt, pepper, and oregano.
Saute chicken in oil until browned on all sides. Remove from pot.
Add sofrito to pot and saute until soft, ~3 min.
Add tomato sauce & bring to simmer.
Add olives, potatoes, chicken broth, and seasonings. Adjust to taste.
Return to boil, then reduce heat.
Return chicken to pot. Cover and simmer 30-45 min. Serve over white rice.