I discovered this week that giving a blueberry popsicle to a 17-month old is like giving a raw hide to a dog. Total entertainment. It also makes a good pre-breakfast treat for the kid who wakes up two hours earlier than the other kids.
Equal parts vanilla (or plain) yogurt, blueberries, and milk. A touch of honey, maybe a little more if you use plain yogurt. Throw in a few raspberries too. Blend and pour into popsicle mold.