Cinnamon Sugar Blondie Bars
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Think snickerdoodle meets blondie: chewy, buttery and coated in cinnamon sugar.

Melted butter gives the bars their fudgy center.
Why This Recipe Works
Cream of tartar adds a subtle tang.
Line the pan with parchment for easy lifting.
Success Tips
Underbake slightly; they set as they cool.
Cut with a warm knife for clean edges.

Cinnamon Sugar Blondie Bars
Ingredients
Method
- Heat oven to 350°F (177°C) and line a 9×9-inch pan with parchment.
- Whisk butter and brown sugar, then eggs and vanilla.
- Stir in flour, cream of tartar and baking soda.
- Spread in the pan and sprinkle with cinnamon sugar.
- Bake 23–26 minutes. Cool completely before cutting.
Added a pinch more salt and loved it.
This is my new go-to recipe.
Made these this weekend and they turned out perfectly!
Clear instructions, and weighing the flour made a big difference.
My family asked for a second batch the next day.
Can I halve this recipe?
Added a pinch more salt and loved it.