01 - Add the freshly squeezed orange juice, orange zest, vanilla ice cream, heavy cream, whole milk, honey (or sugar), and vanilla extract into the blender jar.
02 - Add the ice cubes to the blender. Blend on high speed until the mixture is completely smooth, creamy, and no ice chunks remain.
03 - Taste the slush and adjust sweetness by adding more honey or sugar if needed, depending on the natural sweetness of the oranges.
04 - Pour into chilled glasses and serve immediately. Garnish with a fresh orange slice or a sprig of mint if desired.