In a large bowl, whisk together flour, baking soda, ground cinnamon and cream of tartar. Set aside.
In a stand mixer fitted with the paddle attachment, cream together butter, granulated sugar and brown sugar until fluffy.
Add egg, maple syrup and vanilla extract and beat to completely combined.
Slowly add dry ingredients to wet ingredients and mix on medium speed until completely combined.
Add crumbled bacon and stir to combine. If including chocolate chips, stir them in now as well.
Place dough in the fridge to chill for at least 1 hour.
Preheat oven to 375°F and prepare a baking sheet parchment paper or nonstick silicon mats.
Measure out each ball of dough using a medium cookie scoop, and roll each in the cinnamon sugar mixture. Place at least a couple inches apart on prepared baking sheet and bake for 8-10 minutes, or until the tops have cracked.
Let cool on baking mats, as they will spread just slightly more as they set. Move to wire racks to cool completely.
Drizzle with melted chocolate and let set completely.
Package them up, craft a handwritten note and gift them to someone you love for them to enjoy!