Country-style Venison

• 6 onions (white)
• 6 samll carrots (whole)
• 4 stalks celery
• 3 potatoes
• 1 scallions
• 1 kohlrabi
• 1 rice parsley (hot cooked fresh)
• 900 gr venison chuck roast
• 475 ml water
• 160 gr mushrooms