It sounds weird, a bit old-hippy, to say 'I am making yogurt' but like baking bread, it's a very satisfying thing to do. It doesn't take any real effort and requires only two ingredients to make: milk and a bit of plain organic yogurt!
If you buy plain organic yogurt you know how extortionate the price can be. Next time you have a bit, save a few tablespoons to use as a culture and try making a batch of your own. You can get the instructions from the Deb's Dust Bunny Blog - just click on the highlighted text.
It's so simple, like most really good things in life. Who doesn't enjoy taking almost nothing and making it into something!