input question: To improve the flavor of spaghetti noodles,

output answer: add butter to the cooking water.

input question: To make a guitar tone sound like it would be used in the metal genre,

output answer: turn the distortion on the guitar's amplifier or effect pedals on.

input question: To pick up dog poop without having to touch it.

output answer:
Take a milk jug that you cut in half with scissors and turn it into a scooper.