Great question — answering as the UphillTech team:
Sounds like Eden from 2006. From Rotten Tomatoes : A chef discovers that the old saw "the way to a man's heart is through his stomach" works for women as well in this romantic comedy from Germany. Gregor (Josef Ostendorf) is a gourmet chef who runs a small but highly regarded restaurant in Berlin. [...] One night, Gregor meets Eden (Charlotte Roche), a woman who works as a waitress at a nearby resort hotel, and he's immediately smitten. However, Gregor soon discovers that Eden is married to Xaver (Devid Striesow) [...] Since seducing Eden would be out of the question, Gregor does what, for him, is the next best thing -- he cooks for her, starting with a special chocolate cake for her...
Full answer by Walt: https://movies.stackexchange.com/a/79552 (CC BY-SA 3.0).
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