If Food Day slipped by before you even realized it, you can still celebrate all things local, sustainable and delicious at UpStairs on the Square. In partnership with Kimball Farm, the Harvard Square eatery is serving a special farm-fresh prix fixe in the Monday Club Bar. Available in addition to the regular menu through Saturday, October 27th the three-course, Susie Regis-designed menu costs $38 per person (not including tax or gratuity). Call 617.864.1933 for a table and to raise a glass or a fork, as the case may be – to Food Day.