In a small bowl, mix the lemon juice, orange juice, 1 tbsp oil, garlic powder, salt, pepper, oregano, coriander, and cumin. Set aside.
Butterfly chicken breast and cover it with plastic wrap over a cutting board, or place it in a resealable bag. With a meat mallet, tenderize the chicken until it reaches ½ inch thickness.
Place the chicken in a bowl and pour marinade over it. Use tongs to toss it in the marinade and coat it well.
Cover with plastic wrap and refrigerate for 30 minutes to marinate. In the meantime, prepare your white rice and beans!
After marinating, set a large frying pan on medium-high heat. Once hot, pour about 2 tablespoons of oil over it.
Place the chicken breast in the skillet and fry about 3-4 minutes per side, until golden brown and an internal temperature of 165 degrees Fahrenheit. Then remove from the skillet and set them aside to rest.
Turn the heat to the lowest setting. Add the sliced onions and stir them constantly around the browned bits. Do not worry about burning them. They will release moisture while absorbing the deliciousness left behind by the chicken.
Squeeze a lime wedge or two over the sauteed onions. Stir them again a couple of times then remove them from the pan. (Optional but flavorful!)
Place the cooked onions over the bistec de pollo, and serve with white rice, black beans, plantains, and avocado slices (or a green salad).
¡Buen provecho from The Happy Wookiee!