Braised Pork Chops With Sour Cream Sauce

• 4 center loin chops (cut)
• 3 sprigs of parsley (fresh)
• 1 bay leaf
• 120 ml sour cream
• 180 ml chicken broth
• 60 gr onions
• 60 ml dry wine (white)
• 34 gr capers
• 34 gr tomato paste
• 32 gr carrots