Ground Beef Pie With Creamed Potato Topping

• 6 of instant potato mix (servings)
• 1 egg (beaten)
• 450 gr beef (ground)
• 120 gr cheese (grated)
• 110 ml sour cream
• 60 ml cream of mushroom soup (undiluted)
• 28 gr bread crumbs (toasted)
• 2 slices bacon crisp (fried)
• some potato topping