01 -
In a medium bowl, whisk together all-purpose flour, baking soda, sea salt, and ground cinnamon until evenly blended; set aside.
02 -
Using a stand or hand mixer, beat softened unsalted butter and packed brown sugar on medium speed for 2 to 3 minutes until light and fluffy. Scrape down the sides of the bowl.
03 -
Add pure maple syrup and beat until fully combined. Then add the large egg and pure vanilla extract, mixing just until incorporated.
04 -
On low speed, gradually add the dry flour mixture, mixing only until the flour streaks disappear. The dough will remain soft.
05 -
Cover the dough and refrigerate for a minimum of 1 hour, up to 3 days, to prevent spreading and intensify maple flavor.
06 -
Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
07 -
Scoop 1.5 tablespoon-sized dough balls and space 2 inches apart on prepared sheets. Bake for 10 to 12 minutes, until edges are lightly golden and centers appear just set. Cool on sheets for 5 minutes, then transfer to a wire rack.
08 -
In a light-colored saucepan over medium heat, melt unsalted butter, swirling occasionally until foamy and browned with nutty aroma. Immediately transfer to a bowl to halt cooking. Whisk in powdered sugar, pure maple syrup, and optional ground cinnamon. Add milk or cream one tablespoon at a time until icing is thick yet pourable.
09 -
Dip or drizzle cooled cookies with the brown butter icing. While icing is wet, sprinkle with flaky sea salt or chopped toasted pecans. Allow icing to set for approximately 30 minutes before serving.