Laz böreği / Turkish Custard Pastry Dessert

Ingredients

• 1 milk
• 1 cup sugar
• 2 egg yolks
• 5/8 cup flour
• 5 tablespoons cornstarch
• 1 pinch black pepper powder
• 1 pinch freshly ground nutmeg most recipe didn't use it
• 1 3/8 tablespoons butter
• 2 cups sugar
• 350 water
• 1 wedge lemon
• 30 sheets yufka baklavalık
• 1 1/3 cups butter melted
• 100 canola oil / olive oil