Easy Boston Cream Pie Cupcakes Recipe That Wows Guests - Beard and Bonnet

Ingredients

• 1 ¼ cups (163g) all-purpose flour
• 2 teaspoons (8g) baking powder
• ¼ teaspoon salt
• 6 tablespoons (84g) unsalted butter, room temperature
• ¾ cup (155g) sugar
• 6 tablespoons (86g) sour cream, room temperature
• 2 teaspoons (10ml) vanilla extract
• 3 large egg whites, room temperature
• 6 tablespoons (90ml) milk, room temperature
• 2 tablespoons (30ml) water, room temperature
• 2 egg yolks
• 6 tablespoons (78g) sugar
• 1 ½ tablespoons cornstarch
• 1 cup + 2 tablespoons (270ml) milk
• 1 tablespoon (14g) salted butter
• 1 teaspoon vanilla extract
• 12 ounces (338g) semi-sweet chocolate chips
• 2 tablespoons (30ml) light corn syrup
• ¾ cup + 2 tablespoons (210ml) heavy whipping cream