01 -
Whisk together the all-purpose flour, baking powder, baking soda, salt, and ground nutmeg in a large bowl for 30 seconds to thoroughly incorporate.
02 -
In a separate bowl, whisk together the melted unsalted butter, granulated sugar, eggs, buttermilk, and vanilla extract until smooth and fully blended.
03 -
Gradually add the wet mixture to the dry ingredients, stirring gently until just combined. Avoid overmixing; some small flour streaks are acceptable.
04 -
Preheat oven to 350°F (175°C). Grease and flour a 9 by 13 inch baking pan or line with parchment paper.
05 -
Transfer the batter into the prepared pan and spread evenly.
06 -
Bake for 20 to 25 minutes until the edges are golden and a wooden skewer inserted in the center comes out clean.
07 -
Allow bars to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
08 -
Sift the powdered sugar into a large mixing bowl to eliminate any lumps.
09 -
Whisk together the sifted powdered sugar, maple syrup, milk, melted butter, vanilla extract, and a pinch of salt until the glaze is smooth and creamy. Adjust milk or powdered sugar for desired consistency as needed.
10 -
Once fully cooled, pour the maple glaze evenly over the bars.
11 -
Immediately sprinkle with desired toppings such as nuts, sprinkles, or crumbled bacon, if using.
12 -
Let the glaze set for 30 to 60 minutes before slicing.
13 -
Cut the bars into squares or rectangles and serve.