Creamy Smothered Pork Chops

bone-in pork chops, about 1 inch thick

salt & fresh ground pepper

olive oil

butter

large sweet onion, sliced

garlic, minced

sliced mushrooms

flour

dried thyme

can of chicken broth

white wine (optional: you can use more chicken broth or water instead)

heavy cream

sour cream or Greek yogurt

green onions, chopped