Preheat oven to 350 F. Line cookie sheets with parchment paper. Mix the 1st 6 dry ingredients together in a separate bowl. In a stand mixer, beat the brown sugar and butter until fluffy ~3 minutes. Add the egg, molasses, grated ginger, and vanilla and mix until blended. Add the flour mixture on low just combine. Add the crystallized ginger last.

Place the coarse sugar in a bowl and scoop 1 tablespoon of dough into the sugar and coat well. Space the balls of dough 1 1/2 inches apart. Bake until centers appear cracked, 10-12 minutes. Transfer to wire racks to cool.