Beef Daube With Shiitake Mushrooms

• 8 thyme sprigs
• 6 garlic (cloves)
• 3 onions
• 3 carrots
• 3 other left (pieces whole)
• 2 bay leaves
• 1 rosemary sprig
• 1/2 pepper
• 1/2 salt
• 1,800 gr beef chuck roast (boneless)