Butternut Squash and Kale Salad

Ingredients

• 2 bunches kale (about 1 pound total), tough stems and ribs stripped out, leaves sliced
• 1 cup low-sodium vegetable broth, divided
• 1 butternut squash (about 2 pounds), peeled, seeded and cut into 1/2-inch cubes
• 1 red onion, sliced
• 4 pitted dates, very finely chopped
• 2 tbsp sherry vinegar