Layered chocolate vanilla custard slice (mille-feuille)

Ingredients

• 1 sheet puff pastry
• 1/4 cup icing sugar
• 250 gram punnet strawberries, hulled, quartered
• 1-2 tbsp brown sugar
• Creme patisserie
• 1 cup milk
• 1 teaspoon vanilla bean paste
• 2 egg yolks
• 2 tablespoon raw sugar
• 1/4 cup plain flour, sifted
• 50 gram dark chocolate, chopped
• 1/4 cup hazelnut meal
• 2 tablespoon Baileys (optional)
• 3/4 cup thickened cream, whipped
• icing sugar for dusting