French Onion Soup#1

• 6 cooking onion (sliced)
• 1/2 in day old french bread
• 950 ml beef broth
• 240 ml dry wine (white)
• 220 gr swiss cheese (grated)
• 60 gr parasean cheese (grated)
• 55 gr butter
• 8 gr all purpose flour
• 4 gr sugar
• 1 gr pepper