baked in adj. built in or into (a process, a system, a deal, a financial exchange, etc.). (source: Double-Tongued Dictionary)
Further reading
Authors often go through several working titles before settling on one. F. Scott Fitzgerald’s The Great Gatsby (Bookshop|Amazon) was originally Trimalchio in West Egg, Trimalchio being an ostentatious nouveau riche character in an ancient Roman work...
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...