Butternut Squash With Pistou without mascarpone chicken

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[...]

3 lbs butternut squash, peeled and cut into 1-inch cubes 4 tablespoons butter 1 cup onion , thinly sliced 1 tablespoon garlic , minced 1/4 cup cream salt &[...]

1 tablespoon butter 1 tablespoon olive oil 2 large onions , chopped into 1-inch squares (about 4 cups) 3 tablespoons fresh sage , chopped or 1 tablespoon[...]