Butternut Enchilada Casserole Is Healthy, Easy to Make, and So Satisfying

Name: Butternut Enchilada Casserole Is Healthy, Easy to Make, and So Satisfying
Prep time: 30 min
Total time: 30 min
Cuisine: Mexican
Ingredients: 2 Tbsp. olive oil; 1 tsp. chipotle chile powder; 1 tsp. sweet or smoked paprika; 1 tsp.ground cumin; 1/2 tsp. kosher salt; 1 13-oz.pkg.cubed butternut squash (about 2 1/2 cups); 1 chopped red bell pepper; 1 chopped poblano chile; 3/4 cup chopped red onion (from 1 onion); 1 15-oz. can black beans, drained and rinsed; 15 5 1/2-in. corn tortillas; 2 cups (16 oz.) red enchilada sauce, divided; 6 oz.pepper Jack cheese, shredded(about 1 1/2 cups), divided; Cooking spray; Sliced avocado, chopped fresh cilantro, and jalapeño slices, for topping (optional)