Potato-crust Quiche

• 3 potatoes
• 2 eggs (beaten)
• 1 carrot curls
• 1 parsley sprigs
• 500 gr mixed vegetables (frozen)
• 240 ml evaporated milk
• 55 gr cheddar cheese (shredded)
• 55 gr margarine
• 7 gr bread crumbs dry fine
• 1 gr salt