INGREDIENTS
* 3 tablespoons extra virgin olive oil
* 2 medium onions, chopped
* 1 pound fresh shiitake mushrooms, sliced
* 2 pounds butternut squash, peeled, seeded, cut into 1/4-inch-thick slices
* 2 cups vegetable broth
* 4 tablespoons chopped fresh thyme, divided
* 4 tablespoons sliced fresh sage, divided
Source:
http://www.sarasnow.com/recipes/v_squashlasagna.html