Goal:
To peel the grapefruit.
Answer:
Use an orange peeler and go around until finished.

Goal:
to clean up vomit
Answer:
put ground coffee on it first. It takes away the smell and dehydrates it.

Goal:
To cook quinoa
Answer:
Cook it in boiling water.

Goal:
To play through Sonic Mania as Knuckles & Knuckles.
Answer:
Make sure you've unlocked "& Knuckles" mode and have it on. Then start a game as Knuckles.