INGREDIENTS
For the meatballs:
2
slices white bread
1/4 cup
milk
3 tbsp
unsalted butter, divided
1
small onion, diced
1 lb
ground beef
1 lb
ground pork
2
large egg yolks
1/4 tsp
ground allspice
1/4 tsp
ground nutmeg
1 tsp
kosher salt
1/2 tsp
freshly ground black pepper
For the gravy:
1/3 cup
all-purpose flour
4 cups
beef broth
3/4 cup
sour cream
2 tbsp
chopped fresh Italian parsley