Full Liquids to Mushy Diet
I personally started with things that "babies eat." Things that are easy to digest like instant mashed taters, cottage cheese, bananas and stuff like that. Then I moved to cream of wheat and finally oatmeal.
Didn't your doc or nutritionist give you a progressing schedule? Some good online resources are:
http://www.gicare.com/pated/edtgs22.htm
http://www.jhbmc.jhu.edu/healthy/healthconditions/digest/gastricdiet.html
http://www.keysupplements.com/articles/gastricinfo.htm
And for when you move to stage 4:
http://www.angelfire.com/ok3/vbowen2/index.html
HUGS~ Jamie