French fried

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Across
  1. 4. toxic compounds found in the potato, e.g. solanine
  2. 8. Popular chain whose long drive-thru lines cause "traffic problems, police interventions, and complaints by neighboring businesses in more than 20 states" (according to Wikipedia)
  3. 11. Also known as René Robert Cavelier, he visited Chicago in the 1680's and now has a street named after him
  4. 13. American name for "eggy bread" or "poor knights"
  5. 14. Crisp circles
  6. 17. Italian counterpart to petanque
  7. 19. ___ bordelais, a favorite of Emma's (available at Leonidas)
  8. 20. Fry them twice to make tostones
Down
  1. 1. A chocolate croissant, properly
  2. 2. Jean Baptiste Point du Sable married into this Native American culture
  3. 3. 5th most popular McDonald's item (at least, according to Reader's Digest)
  4. 5. Open pastry containing jambon and, usually, fromage
  5. 6. Impressionist who despised the term, instead calling his painting style "realism"
  6. 7. He thought impressionism was "just about the least appropriate term possible" to describe his compositions
  7. 9. Popular holes north of the border?
  8. 10. Where Brest is found
  9. 12. Montreal is the only place in Canada where drivers cannot do this
  10. 13. Fairground treat
  11. 15. It separates Papa from Romeo
  12. 16. The sole ingredient in the French Canadian sweet tire d'erable
  13. 18. Textile that gets its name "from Nîmes," the French town from which it was originally imported