hi my ds is 6.5 mths and is on 3 solid meals a ...

hi my ds is 6.5 mths and is on 3 solid meals a day. we are still having trouble with vegies but was interested if anyone gives their bubs lentils and tofu, etc. my dh is vego and i'm not but dh would like me to incorporate some of his food into ds's diet, which is fine by me. i am just not sure when to start lentils, and how to do it. any suggestions would be brilliant thanks in advance!!