Butternut Squash without masala neck

3 lbs butternut squash 2 tablespoons vegan margarine 2 tablespoons maple syrup 2 1/2 teaspoons cider vinegar 1 teaspoon kosher salt , more to taste 1 teaspoon[...]

1 tablespoon olive oil 2 large onions , peeled and cut into large pieces 5 cups chicken stock or 5 cups vegetable stock 3 lbs butternut squash , peeled,[...]