When foraging for dandelions, make sure to pluck the root out with your greens and save up a bunch of roots. When you get a good handful of roots collected, wash them up well and try to remove as much dirt as possible. Next, blend up the roots in a food processor or blender to break them into 1/4" or so pieces. Mine actually got blended up way smaller because my blender is high powered and it still worked out just fine. I think it reduced my roasting time, which is actually a good thing. Spread out the roots on a baking sheet and bake at 300 degrees until they are deep tan in color. They will make your house smell like chocolate! I kid you not! YUM! After they are roasted and cooled down, grind them like you would coffee beans and brew it like coffee. We ended up with 2 tablespoons of ground roots and we brewed it with 3 cups of water in our coffee maker and as an avid coffee drinker, I would say that it was weak and would adjust accordingly next time. The flavor, however, was AMAZING! I could definitely replace my coffee with this, if only I could get over the lack of caffeine!
Use caution, however, as the dandelion roots are a diuretic (as is caffeine). And also, do some quick research online before consuming because I thought I read that it may affect the efficiency of some medications. Otherwise, this is a great substitute for anyone looking to reduce or eliminate their consumption of coffee. :)