Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Picnic snack 11 letters:

POTATOCHIPS: Picnic snack
ANTSONALOG: Picnic snack that appears to have picnic invaders
PICKLEDEGG: Picnic snack, sometimes