Here are some solid foods I was able to tolerate towards the end..
cream of wheat with lots of butter
avocado with olive oil
cottage cheese
custard
sweet potatoes with butter

Hope it helps some!

Emily - 24 years old at diagnosis
HPV-, no risk factors
T2N2b Squamous Cell Carcinoma
Left oral tongue, poorly differentiated
Hemiglossectamy, reconstruction, partial neck dissection
30 Radiation treatments, weekly chemo (cisplatin)
1/13/12 last day of treatment
Diagnosed October 2011