I was trying to decide what my favorite tool is the other day. I love my medium size scoop--it makes cookies or scoops ice cream! It fills mini muffin pans perfectly!--but I think my favorite, my essential non-essential tool, is my very fine mesh sieve. It sifts, it strains, it drains, you name it. I can pretty much get rid of my flour sifter and colander, thanks to this little guy. I can make things with berries (I hate seeds). I use it to drain spinach, make my own cranberry juice, strain seeds and pulp when squeezing lemons, take the grit out of my watermelon juice when making granita, dust coffee cake with powdered sugar, sift flour, drain small amounts of pasta...I love it.
I have this one:
If you don't have one, might I suggest you consider investing? I promise, you'll never run out of uses for it.