input question: How to easily ice a cake?

output answer: Once baked, place the cake on a cake stand and rotate it while applying the icing

input question: After making butter, to seperate it from the buttermilk, you can

output answer: Place the butter in a metal strainer so the buttermilk can drip off

input question: How can I make a circle pattern on a piece of plywood?

output answer:
Take an empty flower pot, flip it over and trace around the rim.