1.   Add the greens, a little at a time, stirring until just wilted.

2.   Add the greens, cover the pot and let it simmer over low heat for about an hour.

3.   Add the greens, season with salt and stir to coat with seasonings.

4.   Add greens and toss.

5.   Add the greens and stir until they are hot throughout and coated with the oil.

6.   Add the greens to the same skillet and cook just long enough to wilt them down.

7.   Add the greens, both types of mushrooms, the prosciutto and the Gruyere.

8.   Add the greens and boil until tender.

9.   Add the greens and boil until they are tender.

10.   Add the greens but do not toss.