To make it neat:

1. In a cocktail shaker, place the orange juice, tequila, orange liqueur and vanilla ice cream.
2. Shake vigorously until the ice cream has combined and you’re left with a creamy, frothy consistency.
3. (Optional) Run the orange slice along the rim of a margarita or stemless wine glass and dip into granulated sugar on a shallow plate.
4. Add the ice to the cocktail shaker and shake a few more times, then strain into the glass.
5. Garnish with the orange slice and enjoy.

To make it frozen:

1. In a blender, place the orange juice, tequila, orange liqueur, vanilla ice cream and ice.
2. Blend until smooth.
3. (Optional) Run the orange slice along the rim of a margarita or stemless wine glass and dip into granulated sugar on a shallow plate.
4. Pour the blended mixture in the glass and garnish with the orange slice. Enjoy!