Butternut Squash With Pistou without gruyere clove

2 lbs butternut squash, see note 2 large celery ribs , chop 2-inch pieces 2 tablespoons water 1 1/2 cups thinly sliced leeks or 1 1/2 cups coarsely chopped[...]

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1 butternut squash, halved lengthwise and seeded (about 1 1/2 pounds) Cooking spray 1[...]

1/3 cup extra virgin olive oil 4 garlic cloves 2/3-1 cup basil leaves 3 lbs butternut squash (about 2 squash) 1 pinch fine sea salt 1 To prepare the pistou:.[...]