Cube Steak in the Slow Cooker

Ingredients:
1 large onion, thinly sliced
1/3 cup all-purpose flour
1 tsp. garlic powder
1 tsp. onion powder
1/2 tsp. black pepper
6 (about 4 oz. each) beef cube steaks
1 Tbsp. canola oil
3 c. water, divided
1 envelope brown gravy mix
1 envelope mushroom gravy mix
1 envelope onion gravy mix

Instructions:
Spray the inside of a 3-5 quart slow
cooker with nonstick cooking spray. Place the sliced onions in the slow cooker. Combine flour, garlic powder, onion powder and pepper in a large sealing plastic bag. Add steaks, a few at a time and shake until completely coated. Heat the oil in a large skillet over medium heat. Add the steaks, a few at a time, and cook until lightly browned on each side. Place the browned steaks on top of the onions in the slow cooker. Pour 2 c. water over all. Cover and cook on Low for 8 hours or until meat is tender.
In a bowl, whisk together the 3 gravy mixes with remaining 1 cup water. Add to slow cooker and cover and cook on Low for 30 minutes longer.