Butternut Squash Soup without whites

1/2 cup unsalted butter 1 medium onion 1 tablespoon minced garlic 4 small butternut squash (or 2 medium) 1 medium acorn squash 1 quart heavy cream 1 cup milk[...]

1 large butternut squash 1 small acorn squash 2 potatoes 1 tablespoon creme fraiche 1/4 teaspoon nutmeg water , for boiling 1 Peel and cube the potatoes and[...]