Slow Cooker Goulash

2 lb Round Steak
1/2 tsp onion powder
1/2 tsp garlic powder
1/2 tsp salt
1/2 tsp pepper 
2 TBL flour
1 1/2 tsp paprika
1 can crushed tomatoes
1/2 can water
1 cup sour cream
1 bag egg noodles 

Cut meat into bite size chunks. 
In bottom of slow cooker combine dry ingredients: onion powder, garlic powder, salt, pepper, flour, & paprika. 
Toss meat in slow cooker & stir to coat meat in dry mixture. 
Add crushed tomatoes & water. 
Stir well. 
Cover cook on high for 4 to 5 hrs. 
Stir in sour cream last 30 min of cooking. 
Serve over hot cooked egg noodles