For the salad: 2 large delicata squash, halved lengthwise and seeds scraped 1 medium head lacinato kale, stems removed 1/2 small head red cabbage, cored 1 sweet red apple, cored 1/3 cup salted pistachios   1/4 cup toasted sunflower seeds (optional) 1/4 cup crumbled feta cheese (op…