Pre heat oven to 425
Heat butter in a medium sized saucepan and mix in Sazon packets and rice
Add 2 cups of water to the rice and bring to a boil
Once rice begins to boil, cover and reduce heat to low. let cook for approximately 40 mins
While rice is cooking chop vegetables, add them with olive oil to a large skillet and cook on medium heat until slightly softened then remove and set aside
Place chicken breasts in Ziplock bags and tenderize then remove and season both sides
Put chicken breasts on a baking sheet and cook for approximately 20 minutes or until internal temperature reaches 165 degrees
When the rice is finished cooking, add to a skillet with the vegetables and tomato paste and stir
Slice chicken into strips and serve on top of the rice or mix in together