I don't make them (didn't know you could tbh) but here are some links to recipes...
https://babyfoodrecipes.wordpress.com/2008/04/17/teething-troubles/
https://www.kidslife.com.au/article.asp?ContentID=teething_a_time_for_tender_loving_care
https://www.treasures.co.nz/Default.aspx?DN=815925,527,523,1,Documents
hope they help!