Easy Authentic German Frikadellen (Juicy Pan-Fried Patties)

Ingredients

• 1 stale Kaiser roll or 3 slices white bread, torn into pieces
• 1/2 cup (120 ml) milk
• 1 tablespoon clarified butter or neutral oil, plus more for frying
• 1 medium yellow onion, finely diced
• 1 lb (450 g) ground beef
• 1/2 lb (225 g) ground pork
• 1 large egg
• 1 tablespoon German mustard or mild Dijon mustard
• 2 tablespoons chopped fresh parsley
• 1 teaspoon dried marjoram
• 1 teaspoon sweet paprika
• 1 1/2 teaspoons kosher salt
• 1/2 teaspoon black pepper
• 1/8 teaspoon ground nutmeg, optional
• 2-4 tablespoons plain breadcrumbs, only if needed
• German mustard
• Pickles, potato salad, or crusty rolls