做好 + 了
The compound verb 做好 (zuòhǎo) means "to finish making" or "to complete doing something well." It combines 做 (to do/make) with the resultative complement 好 (well/completed). It indicates that a task has been successfully finished.
饭已经做好了,快来吃吧。
Fàn yǐjīng zuòhǎo le, kuài lái chī ba.
The food is ready, come eat!
我把明天的报告做好了。
Wǒ bǎ míngtiān de bàogào zuòhǎo le.
I've finished preparing tomorrow's report.
蛋糕做好了,你尝尝看。
Dàngāo zuòhǎo le, nǐ chángchang kàn.
The cake is ready, try it and see.