French apple pie

Ingredients:

For Crust:

• flour (150 g)
• cold unsalted butter, cubed (120 g)
• 1 tbsp sugar (12 g)
• a bit of salt 
• 1 egg yolk
• 2 tbsp ice water or milk (30 ml)

For the creame filling:

• 1.5 glass of milk
• 2 tbsp of flour

For the topping:

• 4 apples, peeled, cored and sliced 
• ½ tsp of sugar (2 g)
• cinnamon
• 2 tbsp apricot jam, heated until liquefied