Irresistible Boston Cream Pie Cookies You’ll Regret Not Making Sooner

Ingredients

• 1/2 cup unsalted butter, softened (115g)
• 1/2 cup granulated sugar (100g)
• 1/4 cup brown sugar (50g)
• 1 large egg
• 1 tsp vanilla extract
• 1/4 cups all-purpose flour (160g)
• 1/2 tsp baking soda
• 1/4 tsp salt
• 1 cup whole milk (240ml)
• 2 egg yolks
• 1/4 cup sugar (50g)
• 2 tbsp cornstarch
• 1 tbsp butter
• 1/2 tsp vanilla extract
• 1/2 cup semi-sweet chocolate chips (90g)
• 1/4 cup heavy cream (60ml)