Köttbullar (Swedish Meatballs)

Name: Köttbullar (Swedish Meatballs)
Prep time: 10 min
Cook time: 50 min
Total time: 50 min
Yield: 6 porsi
Ingredients: 35 g bawang bombai; 500 g daging cincang; 30 g tepung panir; 1 sdm daun peterseli segar; ¼ sdt pimenta bubuk; ¼ sdt pala bubuk; ½ sdt bawang putih bubuk; ¾ sdt lada hitam bubuk; ½ sdt garam; 1 telur; 1 ½ sdt minyak zaitun; 35 g mentega; 15 g tepung terigu; 250 g kaldu sapi cair; 120 g cooking cream; 1 ½ sdt saus Worcestershire; ½ sdt mustard Dijon; 1 jumput garam; 1 jumput lada hitam bubuk