Irish Colcannon. It's soft, warm and not unhealthy. Also, it's easy to cook. Here's the link > http://www.cooks.com/rec/view/0,1950,154174-239203,00.html
the pain from tooth pulled only last for max 3 days. but, there will be small hole where the tooth used to be, should be carefull not to stuck any food in it. so probably go to soupy things. the gum cell should recover in 2 weeks or so.