We made homemade paint and playdoh. But the thing they loved best was the Oomlick (cornstarch and water.)
And then I had the great idea to make a volcano using our newly made playdough and the usual baking soda and vinegar mixture. That was a lot of good messy fun. All sorts of things were consumed in the lava floe!
Then to top of the day of play I made mini apple pies. Oh. My. Yum. I am still working on this as this batch came out great but subsequent ones not so much. I've even tried silicone pans but to no avail. :(