For an extra layer of flavor, consider adding a pinch of orange zest to the blender. If you don't have time to freeze orange juice into ice cubes, you can use regular ice cubes, but the shake will be less intensely orange flavored. For a thicker shake, use slightly more frozen orange juice cubes. For a thinner shake, use less. Get creative with your layering! Try adding a sprinkle of sugar-free sprinkles between layers for added visual appeal.