01 - Beat peanut butter, softened butter, vanilla extract, and salt in a large bowl until smooth and creamy.
02 - Gradually add sifted powdered sugar, mixing until dough is stiff yet smooth and holds its shape.
03 - Scoop tablespoon-sized portions and roll into balls, placing them on parchment-lined baking sheet.
04 - Refrigerate balls for at least 30 minutes until firm.
05 - Melt chocolate chips with optional coconut oil in 30-second intervals, stirring until smooth.
06 - Using a toothpick, dip each peanut butter ball two-thirds into the melted chocolate, leaving the top exposed.
07 - Place dipped buckeyes on the baking sheet, remove toothpick, and smooth the hole if desired.
08 - Chill until chocolate is firm, approximately 20 minutes.
09 - Store in an airtight container refrigerated up to 2 weeks.