This is quite good and refreshing. I made the recipe exactly as stated but quadrupled it. Next time I would squeeze the mint leaves and throw them away before blending (or minimally stain afterwards in cheesecloth becuase a mesh strainer does not do the job) because the little (no matter how tiny) bits of mint sort of ruin the smoothness of the sorbet.
I made this with a little more grapefruit juice, and took most of the mint away before putting the mixture in the blender because I was afraid of an overwhelmingly minty taste. I served it in the grapefruit shells with a little mint garnish and it looked great! Tasted delicious! VERY light and refreshing, if not a teeny bit too sweet. Next time, I will use a little less sugar and see. I will DEFINITELY make it again!
I made this last night- I tripled the recipe, used about 1 tsp. mint extract instead of the fresh mint, and used my ice-cream maker. It seemed to have trouble freezing, and I ended up putting it into the freezer when it wasn't too solid. When I checked it today- Fantastic! Great texture, and the taste is excellent and really refreshing.