AGO dishes up nine straight days of interactive and imaginative activities for March Break. It begins Saturday, March 9 and runs daily through Sunday, March 17 (with a special opening on Monday, March 11).   Taking over Walker Court, the AGO’s artists-in-residence, Natalie Ferguson and Toby Gillies, present Secret Ingredient, an art making smorgasbord celebrating the foods we love.   This interactive feast invites families to construct faux versions of their favourite foods. Plus, share recipes, photograph them and set…