01 -
Preheat oven to 350°F (175°C). Grease a 9x13 inch baking dish or line with parchment paper for easy release.
02 -
In a large bowl, whisk together flour, granulated sugar, baking powder, salt, and ground cinnamon until fully incorporated.
03 -
In a separate bowl, mix melted butter, buttermilk, eggs, vanilla extract, and maple syrup until smooth.
04 -
Pour wet ingredients into dry mixture and gently combine until just mixed. Avoid overmixing; batter should remain slightly lumpy.
05 -
Spread batter evenly into prepared baking dish. Bake for 25–30 minutes or until a toothpick inserted in the center comes out clean.
06 -
While bars are baking, whisk together powdered sugar, pure maple syrup, and milk in a medium bowl until glaze is completely smooth. Adjust milk to achieve the preferred consistency.
07 -
Let baked bars cool in the pan for 10 minutes, then transfer to a wire rack to cool fully. Drizzle the maple glaze evenly over the cooled bars before serving.