Healthy Choice Greek Frozen YogurtConAgra Foods’ Healthy Choice, Omaha, Neb., introduced a line of Greek frozen yogurt made with fruit, nonfat milk and yogurt cultures. It’s available nationwide in four flavors — strawberry, vanilla bean, raspberry and blueberry. The frozen yogurt contains 100 calories per cup. A package of three 4-ounce cups has a suggested retail price of $3.49.