Slow Cooker Roast Beef

Name: Slow Cooker Roast Beef
Prep time: 15 min
Cook time: 8 h
Total time: 8 h 15 min
Cuisine: Mediterranean, American, Greek, Southern, African, Moroccan, European
Ingredients: 3 tbs olive oil; 1.5 kg beef chuck roast; salt and pepper (to season); 1 onion (diced); 4 tsp minced garlic ((or 4 garlic cloves minced)); 4 carrots (roughly chopped); 4 celery stalks (roughly chopped); 4 large potatoes (peeled and quartered); 1/2 cup plain flour; 2 tbs Italian herbs (parsley, oregano, rosemary etc, chopped); 4 cups liquid beef stock