From cooks.com 

1-2 lb. Greens (bok choy, spinach,                   1 TBSP unrefined olive oil
   chard, etc)                                                     ½ cup pine nuts or sesame seeds                                                              1 clove garlic, minced
1 small onion, diced                                          2 TBSP apple cider vinegar
Sea salt, tamari or soy sauce to taste

Wash and tear the greens, removing heavy stems. Heat a large skillet. Add oil and nuts and sauté until golden. Add all the other ingredients. Stir, cover and cook 2 minutes until the greens are barely tender. Serves 4.