| Answer | Crossword Clue |
|---|---|
| GSA | Cookie selling org., originally |
| GSA | Cookie-selling org. |
| GSA | Cookie-selling org., formerly |
| GSA | Org. selling cookies on "Digital Cookie" sites |
| OREO | Best-selling cookie |
| GIRLSCOUTTROOPS | Cookie-selling groups |
| OREO | Top-selling cookie |
| GSA | Cookie-selling gp. |
| GSA | Cookie-selling gr. |
| OREO | Billion-selling cookie |
| OREO | Best-selling sandwich cookie |
| OREO | World's best-selling cookie |
| OREO | Top-selling U.S. cookie |
| OREO | Best-selling cookie in America |
| OREO | Top-selling cookie of the 20th century |
