Preheat your oven to 350 degrees Fahrenheit. This step is crucial for achieving the right texture, ensuring that your blondies bake evenly.
Lightly grease a 9 x 13 inch pan. This will prevent the blondies from sticking to the pan, making it easier for you to cut them into perfect squares later.
Sift together flour, baking powder, salt, and cinnamon in a bowl. This mixture will provide the dry ingredients that will help your blondies rise and give them that wonderful flavor.
In a large bowl, beat together butter, brown sugar, eggs, and vanilla extract until smooth. You want to create a creamy, fluffy consistency that will give your blondies a rich flavor.
Stir in the flour mixture until well blended. Be careful not to overmix; just combine until the flour disappears into the batter.
Fold in the cinnamon chips, which will add bursts of flavor and sweetness throughout the blondies.
Spread the mixture evenly in the prepared pan. The batter will be thick, similar to cookie dough, so use a spatula to smooth it out.
In a small bowl, combine white sugar and cinnamon. This mixture will create a sweet topping.
Evenly sprinkle the cinnamon sugar mixture over the top of the batter. This will create a delightful crust as the blondies bake.
Bake for 25 minutes, or until the surface springs back when gently pressed. Keep an eye on them to avoid overbaking.
Once baked, cool slightly in the pan. While they are still warm, carefully cut into bars with a sharp knife. This helps to ensure clean edges.