Combine 2 cups water and 1 tablespoon olive oil to boil over high heat in medium saucepan. Add couscous, cover, and remove from heat. Let stand about 5 minutes then remove lid and fluff with fork. Let cool.

In the bowl of a food processor (or you can chop by hand if you REALLY want to make me look bad), add parsley leaves and pulse 'til chopped--fairly roughly chopped is OK. Remove and add shallot--pulse 'til chopped. Remove and add cucumber--pulse 'til roughly chopped. Remove and add tomatoes--pulse 'til roughtly chopped. Combine all vegetables in bowl and pour lemon juice over. Toss to combine.