Robyn, I'll dig out the dandelion and burdock recipe and post it later. Do you have dandelions and burdock in NZ though? I'm pretty sure there's no burdock in Oz and in WA the things we called dandelions are not the same as English dandelions at all.
As for smoothies, my kids are amazed that whatever you put in them they always taste wonderful. You can also add alcohol btw and it makes a lovely summer evening drink. A shot of sloe gin in the mix is lovely!