1½-teaspoons unflavored gelatin
1-tablespoon water
1-cup fat free milk
1/3-cup sugar
1-cup buttermilk
1-cup low fat Greek yogurt
Soften the gelatin with 1-tablespoon water in a small bowl, about 5 minutes.
In a saucepan bring milk to a simmer with sugar, stirring until dissolved, about 1 minute.
Remove milk from heat and stir in gelatin until dissolved.
In a medium size bowl mix the yogurt with the buttermilk.
Whisk in warm milk until smooth.