Spray the crock of a 6 quart slow cooker with cooking spray.
Dust the cube steaks with flour seasoned with salt, pepper and paprika.
In a large skillet over medium-high heat, brown both sides of the steaks in olive oil for 1 minute per side then arrange in the bottom of the slow cooker. Do not cook through.
To the pan, add soup, beef broth, au jus packet, steak sauce, parsley, steak seasoning and thyme. Whisk off the heat scraping all of the brown bits off the bottom of the pan. Whisk in 1 tablespoon of flour. Taste and adjust the pepper, if needed.
Arrange vegetables on top of steak, then drizzle gravy on top.
Cook on low for 6 -7 hours or until fork tender.
Serve hot over rice, egg noodles or mashed potatoes.