Easy No-Bake Buckeyes

Bahan-bahan (30 porsi)

• 1 cup creamy peanut butter, (such as Skippy Natural Creamy (see note; do not use natural peanut butter))
• 6 tablespoons unsalted butter, (softened)
• 2¼ cups confectioners' sugar
• ½ teaspoon vanilla extract
• Heaping ¼ teaspoon salt
• 8 oz semisweet chocolate, (chopped or broken into small pieces)
• 1 teaspoon vegetable oil