"prepare tea" is correct and usable in written English.
You can use it when you are referring to the act of making tea, such as: "I need to prepare tea for my family".
She rushed up, woke her mother and her mother came down to prepare tea.
Yu Dan arrived, smiling broadly, and asked the assistant to prepare tea.
"Some parents give their children more freedom," she said, only after Natalie left the room to prepare tea.
My earliest memory is watching my mother hurrying to prepare tea and distractedly talking to my sister and me while looking out for my father.
The judge is so deeply humiliated by having to prepare tea for the intruders that Sai has to pretend not to see what has happened.
One tense evening about 6pm in the middle of this mayhem, while I was trying to prepare tea, the eldest daughter shrieks down from upstairs in great distress: "Mum!
It is known that Native Americans used the bark to prepare teas for the treatment of digestive tract infections [5], so it is expected that the use of the above mentioned species as raw material for the extraction of active principles could be an important source of compounds for the treatment of various pathologies.
It is the flowering tops of St. John's wort that are used to prepare teas and tablets containing concentrated extracts.
Each morning the Masai staff prepares tea, along with a breakfast of eggs, sausage and toast.
"While you were preparing tea I thought I saw — Mr. Brandon, I assumed.
"How To Make a Decent Cup of Tea": Hitchens could turn something as simple as preparing tea into a screed — but, as always, he wrote it well.
