Slow cooking a roast?

Someone once told me the best way to cook a roast is to set the oven temp to the temp that you want the roast to be – like 140F and cook it for like 8 hours. I was told you have to actually get a glass thermometer to make sure you have the [...]

what is an excellent recommended deepfry/candy thermometer?

I purchased a glass thermometer, with the gray bulb at the tip, and cooked hard candy. The glass cracked in the mix!!! I did not know it was suppose to do that!!