Bratwurst With Caramelized Shallots & Apples

• 5 shallots
• 2 pippin
• 2 stock
• 1/2 bratwurst
• 1/2 wide (pieces)
• 3/8 napa cabbage head
• 1,900 ml chicken stock
• 22 ml olive oil
• 8 gr butter (unsalted)