Italian Skillet Chicken with Tomatoes and Mushrooms

large chicken cutlets (boneless skinless chicken breasts cut into 1/4-inch thin cutlets)

dried oregano, divided

salt, divided

black pepper, divided

all-purpose flour, more for later

Private Reserve Extra Virgin Olive Oil (buy here)

Baby Bella mushrooms, cleaned, trimmed, and sliced

grape tomatoes, halved

chopped fresh garlic

white wine

freshly squeezed lemon juice (juice of 1/2 lemon)

chicken broth

baby spinach (optional)