Beef Burger Mignon

• 6 toast points for (serving)
• 6 mushroom caps
• 3 scallions (minced)
• 400 gr round steak (ground)
• 180 ml beef bouillon
• 85 gr butter
• 60 ml wine (red)
• 55 gr butter
• 55 gr soft bread crumbs
• 30 ml ketchup