Best Smoked Fish Pie with Cheesy Mayo Mash

Ingredients

• 30
  grams butter
• 1
  small leek finely sliced
• 1
  stalk celery diced
• 1
  teaspoon crushed garlic
• 1
  teaspoon grated ginger
• ¼
  cup flour
• 2
  cups hot milk
• 451
  grams tin Sealord smoked flavoured fish
• 3
  hard boiled eggs peeled sliced
• ¼
  cup Best Foods mayonnaise
• ¼
  cup Best Foods mayonnaise
• 6
  medium Agria potatoes peeled chopped
• ½
  cup Tasty cheese