One-Skillet Mediterranean Chicken Recipe with Tomatoes and Green Olives

boneless, skinless chicken breasts of equal size

minced garlic or garlic paste

Salt and pepper

dried oregano, divided

Olive oil

dry white wine

large lemon, juice of

chicken broth

finely chopped red onion

small-diced tomatoes

sliced green olives

fresh parsley, stems removed, chopped

Crumbled feta cheese, optional