used tea leaves

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

abandon, dump

drip brew coffee

iced coffee

coffee beans The seed of a tropical plant of the genus Coffea. Prepared by drying, roasting and grinding for making the beverage coffee.

instant coffee (a beverage in the form of a powder, granules, or concentrated liquid, made from coffee and able to be quickly reconstituted by adding water)