Cook pasta, and drain; reserve. Preheat oven to 400 degrees. In a large saucepan, heat oil over medium heat. Add kale; cook, stirring, until wilted, 3 to 5 minutes. Add pumpkin, broth, and pesto; stir to combine. Bring to a simmer. Season with 2 teaspoons salt and 1/2 teaspoon pepper. Toss pasta with pumpkin-kale mixture….