Use fresh or frozen berries (if using frozen, check the packet to see if they can be re-frozen. If not, cook in a saucepan with the sugar and let cool. Then continue with the above steps)
Can't find red currants? Try raspberries or strawberries
Use up to a tablespoon of sugar if you like your popsicles sweet...
Adapted from Martha Stewart (www.marthastewart.com)