Couscous & squash

::INGREDIENTS::
2 limes
1/3 cup olive oil
1/2 tsp cumin
salt & pepper
2 zucchini &/or yellow squash
1 red onion
1 small head cauliflower
1 cup couscous
parsley, optional

::DIRECTIONS::
Finely shred peel from 1 lime, set aside for couscous. Wisk juice from the lime plus the juice from a second lime with the olive oil, cumin and salt & pepper to taste. Cut squash, & onion into 1/2" thick slices. Cut cauliflower into 4 equal slices. Brush vegetables with some of the lime/oil mixture. Grill uncovered for over med. heat until crisp-tender, turning once. (5 min for squash, 10-12 min for onion & cauliflower) Meanwhile, cook the couscous according to the package directions with shreds of lime peel stirred in. Serve vegetables over couscous, drizzle with remaining lime/oil. Top with parsley.