Butternut Squash and Apple Bisque Recipe

1 tablespoon butter

5 cups butternut squash - peeled, seeded, cubed

1 onion - chopped

1 carrot - large, peeled or unpeeled, cut into 1/4 inch slices

1/2 red bell pepper - chopped

2 stalks celery - chopped

1 Granny Smith apple, peeled, cored, and chopped

1/2 teaspoon ground allspice

1/4 teaspoon nutmeg

28 ounces vegetable broth

1 cup apple juice or cider

sour cream for garnish - optional