Roasted Pork Tenderloin with Butternut Squash Mash and Tarragon Gravy

Name: Roasted Pork Tenderloin with Butternut Squash Mash and Tarragon Gravy
Ingredients: 1 medium butternut squash, cut in half lengthwise, seeds removed; 1 pound lean pork tenderloin, trimmed of all visible fat; Salt; Freshly ground black pepper; Nonstick butter-flavored cooking spray; 1/2 cup unsweetened applesauce; 4 teaspoons Dijon mustard; 1/2 cup apple cider or low-fat, low-sodium chicken broth; 1 tablespoon plus 2 teaspoons agave nectar; 2 teaspoons chopped fresh tarragon; A pinch of ground nutmeg; 1/2 cup toasted walnuts, broken into small pieces