INGREDIENTS
2 tbsp
olive oil (, divided)
1
onion (, diced)
1 lb
ground beef*
1 lb
ground pork*
1/2 cup
bread crumbs
2
egg yolks
1/4 tsp
ground allspice
1/4 tsp
ground nutmeg
Kosher salt and freshly ground black pepper (, to taste)
1/4 cup
unsalted butter
1/3 cup
all-purpose flour
4 cups
beef broth
3/4 cup
sour cream
Kosher salt and freshly ground black pepper (, to taste)
2 tbsp
chopped fresh parsley leaves