Smothered Pork Chops

Ingredients

PORK CHOPS:

1 pound (500g) bone-in pork chops,* about 3/4-1 inch thick.
1/2 tablespoon onion powder
1/2 tablespoon garlic powder
1/2 teaspoon cayenne
1 teaspoon seasoning salt
1/2 teaspoon fresh cracked black pepper
2 teaspoons olive oil
1/2 cup all-purpose flour
2 tablespoons olive oil
1 tablespoon unsalted butter

FOR GRAVY:

1 tablespoon unsalted butter
1 large onion, thinly sliced
pinch of salt
4 cloves garlic, minced
1 teaspoon fresh chopped thyme
1/2 cup chicken broth, divided
3/4 cup buttermilk or heavy cream
Chopped fresh flat-leaf parsley, for garnish