Healthy Beef Chili with Butternut Squash

Name: Healthy Beef Chili with Butternut Squash
Ingredients: 1 dried ancho chile; 1 dried guajillo chile; 3 1/2 cups beef broth; 3 tablespoons vegetable oil; 1 1/2 pounds boneless beef chuck, cut into 1-inch pieces; Kosher salt and freshly ground black pepper; 1 medium onion, chopped; 4 cloves garlic, chopped; 2 teaspoons chili powder; 1 teaspoon ground cumin; 1 teaspoon dried oregano; 1 tablespoon tomato paste; One 28-ounce can diced tomatoes; 1 1/2 pounds butternut squash, peeled, seeded and cut into 1-inch chunks; Sour cream, shredded Cheddar and fresh cilantro leaves, for serving