Swedish Meatballs Sauce

For 10 meatballs

1.5 tbsp butter

1.5 tbsp flour

1 cup water

6 g Better Than Bouillon Bouillon, Vegetarian, No Chicken Base

1 tsp Kroger Worcestershire sauce

1/4 tsp mustard powder

1/8 tsp oregano

1/8 tsp ground allspice

1/8 tsp ground nutmeg

1/8 tsp pepper

1/2 tsp dried parsley

2-3 tbsp sour cream, at room temperature