21st century chicken a la king

Ingredients For 21st century chicken a la king

• 2

  boneless skinless chicken breasts
• 2 Tbsp

  oil
• 6 Tbsp

  butter
• 1 1/2 c

  fresh mushrooms chopped
• 1 md

  onion diced
• 4 clove

  garlic minced
• 1/2 c

  dry white wine
• 1 c

  veal stock can use chicken stock but veal stock gives it a richer flavor
• 1 c

  half and half
• 2 Tbsp

  creme fraiche
• 1 Tbsp

  white wine vinegar
• 1 c

  frozen peas
• salt and pepper to taste
• 1 pkg

  frozen puff pastry shells