Crock-Pot Chuck Roast au Gratin

6 potatoes, peeled and cut into quarters
3-1/2 lbs boned chuck roast
1 tablespoon chopped dried chives (optional)
2 cans cream of mushroom soup
1/2 cup grated cheddar cheese
paprika

Place potatoes in the bottom of the slow cooker. Place roast over the top of the potatoes. Combine the chives with the soup and pour over top of roast. Cover and cook on low for 8 hours. Sprinkle with cheese and paprika. Cover and cook until cheese melts.