Preheat oven to 400°F
In a cast iron skillet, warm up the olive oil on medium heat
3 tbsp olive oil
While the oil is heating up, using half the salt and pepper and all of the oregano, season all sides of each chicken breast.
1 tsp dried oregano, ¼ tsp salt, ¼ tsp ground black pepper, 2 chicken breast
Place the chicken breast in the hot skillet and cook for 5 minutes.
While the chicken is cooking, wash and cut the asparagus spears into 1-inch pieces, dice the onion and mince the garlic.
1 bunch of asparagus, ¼ cup red onion, 1 clove garlic
After 5 minutes, turn the chicken then add the asparagus, onions, tomatoes and olives. Sauté for another 5 minutes.
1 bunch of asparagus, 1 cup grape or cherry tomatoes, ¼ cup red onion, ¼ cup kalamata olives
Add minced garlic and cook for 30 seconds until fragrant.
1 clove garlic
Add chicken stock and the remaining salt and pepper to the skillet and place in the oven. Bake uncovered for 15 minutes.
½ cup chicken stock, ¼ tsp salt, ¼ tsp ground black pepper
Add crumbled feta cheese and bake for another 5 minutes or until the chicken reaches a minimum internal temperature of 165°F.
½ cup feta
Serve as is or on top of rice or quinoa.