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Soft and chewy snickerdoodle cookie bars topped with cinnamon sugar, baked in a square pan
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Snickerdoodle Cookie Bars

These snickerdoodle cookie bars are soft, chewy, and full of warm cinnamon sugar flavor. They give you all the taste of classic snickerdoodle cookies but in an easier, fuss-free bar form. Honestly, this is the kind of dessert I make when I want something quick, homemade, and reliable without extra effort. Perfect for sharing, gifting, or enjoying with a cup of coffee.
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Prep Time 25 minutes
Cook Time 17 minutes
Total Time 42 minutes
Servings: 12 bars
Course: Dessert
Cuisine: American
Ingredients Method

Ingredients
  

For the Cookie Bars
  • 2 1/4 cups 293g all-purpose flour
  • 1 teaspoon cream of tartar
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup 224g unsalted butter, melted
  • 1 1/2 cups 310g sugar
  • 3 large eggs
  • 2 teaspoons vanilla extract
Cinnamon Sugar Mixture
  • 1/4 cup sugar
  • 1 tablespoon ground cinnamon

Method
 

  1. Preheat oven to 350°F (180°C). Line a 9×13 inch pan with parchment paper and lightly grease it.
  2. Whisk flour, cream of tartar, baking soda, and salt in a bowl. Set aside.
  3. In a large bowl, whisk melted butter and sugar until smooth. Add eggs and vanilla and mix well.
  4. Add dry ingredients and mix until just combined. Do not overmix.
  5. Mix cinnamon and sugar in a small bowl.
  6. Sprinkle half of cinnamon sugar into the prepared pan.
  7. Spread cookie dough evenly over it and press gently.
  8. Sprinkle remaining cinnamon sugar on top.
  9. Bake for 17–20 minutes until edges are lightly golden.
  10. Cool completely before lifting out and slicing into bars.