Rarely do you find an 'delicacy' and 'free' in the same sentence. But today, with the recent spurt of growth in your yard, you're in luck. Dandelions are a fabulously nutritious treat and the whole flower's edible. A couple of caveats: make sure it's free of pesticides, and to minimize bitterness, harvest before it flowers. You'll dazzle dinner dates with this funky garnish.