When it comes to making alcohol infusions, vodka is quite often my go-to spirit as it has a neutral taste. The botanicals of gin are best left for more floral infusions I find, but this recipe also works absolutely brilliantly with a golden rum.
make non-alcoholic -- Homemade Limoncello. An Italian woman I used to work with brought this to our Christmas party one year. It's like a shot of lemon meringue pie! So delicious and dangerous considering the alcohol.