Peppy Pizza Pie

• 16 mushroom stems
• 10 pie (pan)
• 1 egg
• 1/2 tomato sauce
• 3/8 abt
• 450 gr beef (lean ground)
• 230 ml tomato sauce
• 110 gr mozzarella cheese
• 36 gr bread crumbs
• 34 gr ripe olives