Cookie Croissants — Samantha Chen Bakes

Ingredients

• 1 cup unsalted butter, softened
• 1 cup brown sugar
• ¾ cup granulated sugar
• 1 large egg, at room temperature
• 1 large egg yolk, at room temperature
• 1 tablespoon heavy cream
• 2 ½ teaspoons vanilla extract
• 2 ¼ cups all-purpose flour
• 1 tablespoon cornstarch
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1 cup chocolate chips
• 1 semi-sweet chocolate bar, chopped
• Flaky sea salt, for topping (optional)
• 4 regular-size croissants
• Powdered sugar, for dusting (optional)