Popcorn is versatile and fun, provides an interactive experience (it morphs from one shape to another with heat), appeals to all the senses -- and can be made as healthful or decadent as desired.

Use a spice grinder or mortar and pestle to grind nutritional yeast and salt to a fine powder. Sprinkle 2 tablespoons of mixture evenly into a large bowl. If you own a hand-cranked stovetop popper, ...