http://bakingbites.com/2009/02/how-to-make-lemon-sugar/
M melissa-dallas Well-known member Feb 20, 2009 #3 I put sugar & zest in my mini-processor & grind together. Makes great lemon sugar cookies.
M meryl Well-known member Feb 20, 2009 #4 I use the processor for vanilla sugar, so would definitely use it for this also.