Roasted Acorn Squash Salad

Name: Roasted Acorn Squash Salad
Ingredients: 1 acorn squash, halved lengthwise and seeded (no need to peel); 4 Tbsp. extra-virgin olive oil, divided; 1 tsp. ground cinnamon; 1/2 tsp. ground cumin; 2 tsp. pure maple syrup, divided; 1 1/2 tsp. kosher salt, divided; 3 Tbsp. apple cider vinegar; 1 Tbsp. Dijon mustard; 2 Tbsp. finely chopped shallot (from 1 shallot); 1 bunch lacinato kale, stemmed and chopped (about 8 cups); 1/2 cup coarsely chopped salted, roasted pistachios; 1/2 cup pomegranate arils; Crumbled feta cheese (optional)