Butternut Squash without roast

2 teaspoons vegetable oil 1 1/2 teaspoons garlic , minced 1 1/2 cups leeks , sliced 6 cups butternut squash, peeled and diced 4 cups chicken stock 1 cup[...]

2 lbs butternut squash 2 (14 ounce) cans vegetable broth 1/8 teaspoon allspice 2 tablespoons butter or 2 tablespoons margarine 1 (9 ounce) package[...]