Preheat oven to 350 degrees and line baking sheets with parchment paper.
In a small bowl, mix together the ¼ cup sugar and cinnamon until well combined. Set aside.
In a large bowl, cream butter and sugar together until smooth.
Add baking soda, salt, and water and mix well.
Add egg and vanilla and stir to combine.
Add flour, half at a time, stirring until combined. Do not over-mix.
Using a 1 TBS cookie scoop, scoop dough and place on the cookie sheets 2 inches apart.
Sprinkle the cinnamon sugar mixture over the top of each cookie.
Bake cookies for 12-14 minutes, rotating halfway through, until just golden brown on the edges.
Cool on cookie sheet for 5 minutes prior to transferring to a wire rack.
Store in an airtight container or freeze.