I have to admit, I didn't think of this, so I can't take any credit for it. However, it's been a while since I saw it on another blog, but I can't remember whose blog it was. I'm sorry! If it was you, please let me know so I can give you the credit you deserve!
Easiest craft ever! All you have to do is open a can of sweetened-condensed milk, separate it into containers and add food coloring. Wala ~ You have edible finger paints.
Once my daughter tasted it, she didn't use it to paint anymore. I didn't get many pictures, because I was to busy trying to contain the messy 1-year-old.