Lamb Stew With Vegetables

• 8 onions (white)
• 4 potatoes (peeled)
• 3 carrots peel
• 800 gr lamb stewing meat well trimmed (boneless)
• 400 ml beef broth
• 240 gr pkg peas (frozen)
• 65 gr flour
• 4 gr sugar
• 3 gr salt
• 1 gr leaf thyme