first, peel and dice the potatoes, place in a small microwavable bowl with water to cover, microwave for 4 minutes, drain and set aside
place meat in a large bowl and pour some vinegar over it, not too much, just enough to moisten all the meat, sprinkle meat with, garlic powder, onion powder, adobo, and sazon, set aside.
In a large pan, heat oil and add green pepper and cook for about 3 or 4 minutes, then add the onion, garlic and cilantro, cook about 5 minutes stirring often.
add the meat to the pan and mix well, cook a few minutes,then add tomato sauce and diced tomatoes, sprinkle with adobo and sazon, add potatoes and simmer stirring occasionally for about 45 minutes to an hour. Serve over white rice.