Preheat oven to 350*F. Line a large baking sheet with parchment paper
Place the first 4 ingredients in a medium bowl and meat with a mixer at high speed until well combined (about 2 minutes). Add 1 tsp lemon rind, vanilla, and egg yolks; beat until well blended.
Weigh or lightly spoon flours into dry measuring cups; level with a knife. Combine flours, baking soda, 1/2 teaspoon cinnamon and 1/2 tsp salt; stir with a whisk. Add flour mixture to butter mixture; beat at low speed until well combined.
Drop half of the dough by rounded tablespoons onto prepared baking sheet. Combine the remaining 1 tsp cinnamon and granulated sugar in a small bowl; sprinkle half of the cinnamon-sugar mixture evenly over cookies.
Bake at 350* F. for 6 minutes; flatten cookies wiht the back of a spatula. Bake an additional 6 minutes. Cool on pans 1 minute, Remove from pans, and cool on wire racks. Repeat procedure with remaining dough and sugar mixture.