Sea Salt Peanut Butter Bars - The Local Palate

Ingredients

• ¾ cup all-purpose flour
• 1 teaspoon baking soda
• ½ teaspoon salt
• ½ cup butter, room temperature
• ¼ cup plus 1 tablespoon light brown sugar, packed
• ¼ cup plus 3 tablespoons granulated sugar
• ¼ cup plus 3 tablespoons creamy peanut butter
• 1 large egg, room temperature
• 1 teaspoon vanilla extract
• ¾ cup unsalted butter, room temperature
• 1 cup confectioners’ sugar
• ¾ cup plus 2 tablespoons creamy peanut butter
• ½ teaspoon sea salt
• 2½ teaspoons pure vanilla extract
• 1 tablespoon heavy cream, room temperature
• ¼ cup plus 2 tablespoons unsalted butter, room temperature
• 1 cup semi-sweet chocolate chips