Let the raisins soak in the sherry for about 20 minutes or until they soften.
Heat olive oil in a wok. Add spinach and saute over medium-high heat for about 30 seconds.
Add sherried raisins to the wok and toss until the spinach is wilted but not smashed. Move the spinach an raisins to a plate.
Dry the wok completely. Toast the pine nuts until lightly browned.
Sprinkle the toasted pine nuts on the top of the spinach and serve warm.