Hi, I would like to share a playdough recipe which I have been making with really consistent success. I adapted it from a recipe I found here and the thermomix recipe book version.
I am pretty sure this could be adapted for most of the cooking/stirring machines out there.
1 cup salt (280g)
1 cup gluten-free cornflour/cornstarch (150g)
1 cup rice four (150g) - you can mill this yourself but I hate the noise so I usually just use premilled
2 cups (500g) water
1 tbsp cream of tartar
2 tsp oil eg olive, grapeseed
Another cup each of cornstarch and rice flour to add later
Mill salt on 9 for 30 seconds
Add water and cream of tartar and heat at 60 degrees C for 5 minutes speed 3
Add 1cup each of rice and cornflour(starch) and mix on speed 5 at 60 degrees C for about 2 minutes - the mix should be just starting to get a bit thick and gloopy, but definitely not as thick as usual playdough
Add the 2 tsp oil (I always forget to do this!!!) and mix again, no heat.
At this point I usually transfer it to a covered bowl to cool, but if you don't need to use your thermomix for a few hours, just cover it and let it cool to room temperature, then add 2/3 cup of rice flour and 2/3 cup corn starch and mix again on about speed 5
If you have taken it out and put it in a bowl you can do this by hand and knead the flour in. This is fun for a little helper to do.
It is really important to let the mix cool down as if you add the extra flour too soon it turns out crumbly.
You will now have approx 1L of amazing, smooth, soft gluten-free playdough that last for ages if you keep it in an airtight container. No need to refrigerate it
To colour: either add the colour in the first step, or once the dough is complete, divide into smaller balls and knead the colour through, or just return each ball to thermie to evenly mix the colour through.
I have made this several times now and it is really the best recipe I have found. There is no locally available gluten-free playdough where I live so it is great to be able to make it for my daughter's preschool class in bulk.
I no longer get the feeling of dread I used to when making playdough, wondering if it would sticky or crumbly.
Hope this will be helpful for some other parent/grandparents/teachers of kids with celiac/coeliac.