Beef / Burger Stroganoff (budget)

Ingredients
2lb ground beef
3 Tbsp tomato paste
1 large yellow onion~ chopped
2 Tbsp brown mustard
1 large garlic clove~ chopped
1/2 c sour cream
3 large tomatoes chopped ~ keep juice
dash salt , pepper

Procedure
Brown ground beef lightly. Drain off grease. Add onion and garlic , fry along with beef for 10 minutes. Stir in tomatoes with their juices, tomato paste, mustard and pepper.Reduce heat and simmer covered for 30 minutes. Uncover and simmer for 20 minutes longer, stirring often. Mixture will reduce to a sauce like consistency. Salt to taste. Stir in sour cream. Do not allow mixture to boil or cream will curdle. Serve over buttered noodles or rice.