1/2 cup berries - fresh or frozen that's been thawed for a few minutes in a cup of warm water
1/2 cup Greek yogurt - regular or low-fat
1 T lemon-infused olive oil
1 T blueberry-infused Balsamic vinegar
1/2 packet stevia (sugar or other sweetener to taste)
4 cubes ice
1/8 - 1/4 cup cold water
Blend until smooth.