INGREDIENTS
2 lb
meatballs (for best results use my recipe here and cook according to the instructions below)
1/4 cup
butter, unsalted
3 tbsp
all-purpose flour
2 1/2 cups
beef stock
1/2 cup
sour cream
salt (I didn't measure this but it was probably about 1 1/2 teaspoon)
ground black pepper, plus more to taste
Chopped fresh parsley, for garnish