Forshmak

• 3 eggs seperated
• 3 potatos (peeled)
• 1 onion l (chopped)
• 1/2 lamb (ground)
• 230 gr beef (ground)
• 120 ml sour cream
• 95 gr herring (salted)
• 20 gr butter
• 5 gr bread crumbs
• 3 gr parmesan cheese fine (grated)