I warm some olive oil. Try lemon flavored olive oil sometime. It is awesome!!! Then I dump my greens and veggies in the skillet and toss them. Easy peasy. No. I don't wilt them or cook them through. I leave them in the skillet just long enough to warm them.
This skillet is made up of Power Greens from Costco, Bok Choy, fresh carrots and Kale salad that needed to be eaten before it went bad.