Meanwhile, heat oil in large skillet on medium heat. Add zucchini, mushrooms and garlic; cook and stir 3 to 4 min. or until zucchini is crisp-tender. Add broth; cook and stir 2 to 3 min. or just until mixture comes to boil. Add cream cheese product; cook and stir 2 to 3 min. or until cream cheese is completely melted and sauce is well blended.