ADD THEM DIRECTLY UNDERNEATH YOUR "main" OF YOUR MEAL!
Most of the time they will not even need any "dressing," as the oils/juices/flavors/heat of the food will drip onto the greens.
It makes for the PERFECT sweet wilt & crunch combination.
As you advance, continue to add your vegetable sides with your meals as well, this will result in a easy adjustment to increasing your total vegetable intake.
(Photo Disclaimer: All of these photos were of some of our "last minute" meals put together with what we could find in our fridge at that time).