Only just seen this! I've been making my own yoghurt for about a month now. I can't believe how easy it is - I make greek style yoghurt using full cream or jersey milk. Did buy myself a thermometer - supposed to be for frothing milk so was v. cheap. Heat milk to 180 degrees, remove from heat, put in non metallic bowl/jug, allow to cool to 100 - 110 degrees. Add 2 tbsps starter yogurt with a little extra milk, cover bowl, leave in warm but not hot place for 8 - 12 hours (can be overnight.) Put mine in an insulated picnic carrier on a hot water bottle, wrapped in tea towels. Strain through a tea towel then refrigerate. If you want it really thick tie up tea towel put in a strainer over the bowl in fridge and leave for a few hours. Much cheaper than bought yoghurt and delicious. After the first batch you can just keep a little bit back to use as starter for the next lot. No idea how long that will be OK till I have to buy a new small pot for starters but all is well so far and am making it 2 - 3 times a week. I usually eat it wilh a few raspberries strawberries or blueberries and some walmuts. Delish!