HEAT oil in a large saucepan over medium heat. Add leeks and garlic; cook, stirring occasionally, for 5 minutes or until leeks are tender.
STIR in broth, squash, ale, salt and pepper. Bring to a boil. Reduce heat to medium-low; cook for 10 minutes.
STIR tortellini and greens into soup.
Cook, stirring occasionally, for 7 minutes.
