- 3 cups light brown sugar firmly packed
- 1 cup (2 sticks) unsalted butter
- 2 cups all-purpose flour
- 2 teaspoons salt
- 3/4 teaspoon baking powder
- 1/2 teaspoon cinnamon
- 4 large eggs
- 1 tablespoon vanilla extract
- 1 8-ounce bag (~1 1/3 cup) toffee bits
- 1 cup cinnamon chips
- Pre-heat oven to 350 degrees
- Line a 13×9 pan with parchment paper and spray with cooking spray; set aside
- In a medium saucepan, heat brown sugar and butter over medium heat and stir constantly until melted into a thick golden brown mixture; set aside
- Whisk flour, salt, baking powder and cinnamon in a medium bowl; set aside
- In a large bowl, whisk eggs and vanilla until combined
- Whisk in brown sugar butter mixture
- Slowly whisk in flour mixture just until combined
- Stir in toffee bits and cinnamon chips
- Pour batter into prepared pan and bake for 32-37 minutes or until top begins to crack and a knife or toothpick comes out clean
- Allow to cool before slicing into a 6×4 matrix