Butternut Squash Apple Soup with dressing

For the salad (use as much or as little of each ingredient as you want): 1/2 cup butternut squash , cut into 1/2 inch cubes 1 tsp. olive oil 2 cups arugula[...]

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[...]