Swedish Meatballs

INGREDIENTS

• 3/4 pound ground pork
• 2 large egg yolks
• 1/4 cup milk
• 3 cups beef broth
• 1/2 cup finely chopped onion
• 3 tablespoons clarified butter, divided
• 1/4 teaspoon freshly grated nutmeg
• A pinch plus 1 teaspoon kosher salt
• 3/4 pound ground chuck
• 1/4 cup all-purpose flour
• 2 slices fresh white bread
• 1/4 cup heavy cream
• 1/4 teaspoon ground allspice
• 1/2 teaspoon black pepper