Sentence:  let these remain upon a slow fire until they are well set, then break over them seven or eight eggs, as for poaching, and add salt and pepper; cook gently until the yolks are set, but not hard, brown with a salamander, and <WSD>serve up</WSD>. 
Meaning of the word marked with <WSD> tags:  To present (food or drink) to those who will consume it; to serve.