Yoplait Whips! Key Lime Pie Yogurt Mousse is so light and fluffy that it melts in your mouth. Yoplait's creamy and delicious yogurt is whipped to a light, airy texture that is sure to satisfy even the most discerning sweet tooth. Pack this gluten-free yogurt cup in your lunchbox or take it on the road for an on-the-go snack. With its low-fat, low-calorie recipe and smooth finish, this indulgent key lime pie yogurt makes a perfect evening treat or afternoon pick-me-up.