1/4 cup ice cubes, or as desired
1 cup low-fat vanilla yogurt
1 cup low-fat milk
1/2 cup frozen blueberries, or to taste
1 teaspoon ground cinnamon
1 tablespoon white sugar, or to taste
Blend ice in a blender until crumbly; add yogurt, milk, blueberries, and cinnamon. Blend until smooth. Taste smoothie and add desired amount of sugar; blend.