and a scoop of vanilla ice cream or orange sherbet. If you want a Creamsicle on the rocks, replace the sherbet and ice cream with half-and-half, and add more orange juice to vodka and triple sec.

Combine the orange juice, yogurt, and ice cream in a blender or food processor, and purée. Optionally, to mix with seltzer, pour the purée into a tall glass. Add 3/4 cup of seltzer, stir just ...