Hungarian Custard Slice – Krémes 🇭🇺

Ingredients

For the pastry:

• 2 sheets puff pastry (about 250 g each)

For the custard filling:

• 500 ml milk
• 100 g sugar
• 1 packet vanilla sugar (or 1 tsp vanilla extract)
• 3 tbsp all-purpose flour
• 3 tbsp cornstarch
• 3 egg yolks
• 50 g butter

For the glaze:

• 100 g powdered sugar
• 1–2 tbsp water or lemon juice