Sorry Sarah, there are no cheats that will help you out. Best thing to do is put the game on 1/2 speed, and put as many villagers that you can on the research table so you can get level 2 farming, then keep you child busy picking mushrooms.
To keep this from happening in the future, I would suggest you read the
guides here. Keep your population down and keep everyone at the table as you can. When I start a new game, I'll put all but two villagers on the table to research. As soon as my food bin gets to 600 or so, I'll take one of the villagers off of foraging and put him on the table. If my food drops below 400, I'll then put two back on foraging.