01 -
Preheat oven to 375°F (190°C). Line a 9×13 inch baking pan with parchment paper, leaving overhang for easy removal. Melt butter and allow to cool slightly.
02 -
In a large bowl, thoroughly whisk together flour, sugar, baking powder, cinnamon, and salt until well combined.
03 -
In a separate bowl, whisk melted butter, milk, eggs, vanilla, and maple syrup until smooth and fully incorporated.
04 -
Pour wet mixture into dry ingredients and stir gently just until flour streaks disappear. Avoid overmixing to ensure tender bars.
05 -
Spread batter evenly in prepared pan. Bake for 22-25 minutes until top springs back when lightly touched and edges begin to pull away from sides of pan.