Slow Cooker Beef Stew

1 ½ lbs. cubed stew meat
Small onion, chopped
3-5 potatoes cubed
5 carrots, sliced
2-4 celery stalks, sliced
1 14-oz. can stewed tomatoes
2 beef bullion cubes
1 clove garlic
2 Tbsp. cornstarch
3 tsp. tapioca
Salt & pepper to taste

Layer ingredients in slow cooker then pour 2 14-oz cans of water over the top.  Cook on low for 8-10 hours or high for 5-6 hours.