Add the chicken breasts, lemon juice, minced garlic, oregano, chile powder, 1 tbsp salt, and pepper to a ziploc bag and let marinate in fridge for about 30 minutes
While chicken is marinating, cook rice (boil 2 cups water, rinse rice and add to pot with some salt, cook for about 12-14 minutes until rice has absorbed all the water) and set aside
Preheat oven to 400F
Cut chicken breasts into bite size pieces. Add oil to a saute pan and cook onion until soft. Add chicken and cook until chicken is cooked through. Add corn and pink beans and keep cooking until corn is warmed. Add rice and mix well
Add sazon seasoning and 1 tbsp of the sauce from the chipotles in adobo as well as 2-3 chipotles, finely minced. Mix well
Add Mexican cheese and mix well
Put into casserole dish and bake for 25-30 minutes
Serve with toppings and enjoy