Thin mints or Trefoils? Do-si-dos or Tagalongs? It’s time to decide which Girl Scout cookies you’re buying this year — and how many boxes. Girl Scouts Western Pennsylvania will launch their 2021 Girl Scout Cookie Program on Friday, hoping to bring smiles to the faces of their customers during a challenging time, according to a release. This year’s cookie selection includes: •Do-si-dos — Crunchy oatmeal sandwich cookie with creamy peanut butter filling • Girl Scout S’mores — Crunchy graham sandwich cookies with creamy chocolate and marshmallowy filling • Lemon-Ups — Crispy lemon cookies baked with motivational messages • Samoas — Crisp cookies coated in caramel, sprinkled with toasted coconut and striped with dark chocolaty coating