The stew consisting of
is ALWAYS unfinished until you use it to solve puzzle #
See the thread for that puzzle, or the Official Game Guide, for more. Hint: Just adding additional flowers and food-bin food
won't do it.
New food source found: crabs
Sorry, that's not a food source
Oh yes it is! Not until late on in the game, though.
Well, I'd call it the middle of the game, since I had just about half the puzzles solved then and only some 8 villagers, counting the two kids.
As soon as you've caught enough crabs to solve one of the puzzles, the additional ones are food: 35 basic points (I assume), 52 with the 50% boost at Food Mastery 2 (I attest), and doubtless 70 when doubled.