Beef Stew

This picture looks gross but I promise, the stew is very yummy!

1 1/2 lbs beef stew meat
5 tbsp flour
1 tsp salt
1/2 tsp pepper
1 tbsp oil
1 lb small red potatoes; quartered
1 onion; chopped
1-16 oz pkg baby carrots
1 12 oz jar beef gravy
1 can (14-15 oz) diced tomatoes; undrained
1/4 cup cold water
3 tbsp flour

Toss meat with flour, salt and pepper. Fry in oil. Put potatoes, onions, carrots and meat into crockpot in layers. Sprinkle with remaining flour. Add gravy and tomatoes. Cook on low 8-10 hours. 10 mins before done, blend water and 3 tbsp flour, stir into crock pot.