Goal and options: How do you edge your yard?
output answer: Use an edging tool.

Goal and options: To get egg shell out of batter.
output answer: Use the rest of the eggshell to scoop out the rogue shell pieces! The pieces will stick together and you'll be able to scoop them right out.

Goal and options: To separate butter into cubes, you can
output answer:
Place on a cutting board and use a knife