California Prune Swedish Meatballs – DelicioUS!

Ingredients

• 1 slice white sandwich bread
• 2 tbsp milk
• 1 tsp kosher salt
• ⅛ tsp ground allspice
• ⅛ tsp ground nutmeg
• ⅛ tsp ground cardamom
• ⅛ tsp white pepper
• 1 tbsp olive oil
• 17 g finely chopped onion
• ½ pound ground pork
• ½ pound ground beef
• 1 egg yolk
• 56 g California Prune purée
• 2 tbsp butter
• 2 tbsp all-purpose flour
• 473 ml beef broth
• 60 g sour cream
• salt
• white pepper
• 1 ½ tbsp chopped fresh dill