Butternut Squash, Leek and Onion Soup without fontina

1 1/4 cups all-purpose flour 1/4 teaspoon salt 8 tablespoons unsalted butter , cut into pieces 1/4 cup fat free sour cream 2 teaspoons fresh lemon juice 1/4[...]

3 lbs butternut squash, peeled, seeded, cut into 1 inch cubes 3 medium apples , peeled, cored, cut into 1 inch cubes 2 medium red onions , cut lengthwise, 1/3[...]