I feel nostalgic for the good old days when avocado toast was something novel, a little breakfast secret to share with friends. Avocado toast these days, well, it's gone mainstream. But that doesn't mean we should take it for granted. Avocados are a water-hungry crop, and with drought conditions being what they are, this wonderful fruit could get rarer and more expensive in the days ahead. So make that avocado toast count — every slice should be extra special! Here are 11 delicious ways to u...