Kale and Quinoa Salad with Roasted Squash and Sweet Potatoes

Name: Kale and Quinoa Salad with Roasted Squash and Sweet Potatoes
Ingredients: 1 medium butternut squash (about 2 pounds); 2 large sweet potatoes (about 1 3/4 pounds total); 4 tablespoons plus 1 teaspoon olive oil, divided; 2 teaspoons kosher salt, divided; 1/4 teaspoon freshly ground black pepper, plus more as needed; 1/2 cup quinoa, any color; 1 cup water; 1 large bunch curly kale (about 1 1/2 pounds); 2 large Honeycrisp apples (7 or 8 ounces); 6 ounces feta cheese; 1/2 cup tahini; 1 large lemon; 1/4 cup cold water; 1 tablespoon olive oil; 1 tablespoon maple syrup; 1/2 teaspoon kosher salt; 1/2 teaspoon chili powder; 1/4 teaspoon freshly ground black pepper