These gluten-free snickerdoodle bars are thick, chewy, and topped with a cinnamon sugar coating that gives them that classic snickerdoodle flavor. No mixer needed and ready in about 35 minutes.
2¼cups(315g)gluten-free flour blend - Bob's Red Mill 1-to-1 Gluten-Free Baking Flour (in the blue bag) or King Arthur Measure for Measure, both of which have xanthan gum
2teaspoon(8g)baking powder
1½teaspoons(7g)cream of tartar
1teaspoon(6g)salt
1teaspoon(2g)cinnamon
1cup(200g)brown sugar - packed (200g)
¾cup(150g)granulated sugar - 150g
1cup(227g)unsalted butter - melted and slightly cooled
2(100g)large eggs - at room temperature
2teaspoons(8g)vanilla extract
For topping:
2tablespoons(25g)granulated sugar - 25g
1teaspoon(2g)ground cinnamon
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Instructions
Preheat the oven to 350°F. Grease a 9x13 inch baking pan and line with parchment paper, leaving an overhang on the sides for easy removal. Set aside.
In a medium bowl, whisk together 2¼ cups(315g) gluten-free flour blend, 2 teaspoon(8g) baking powder, 1½ teaspoons(7g) cream of tartar, 1 teaspoon(6g) salt, and 1 teaspoon(2g) cinnamon. Set aside.
In a large bowl, whisk together 1 cup(200g) brown sugar, ¾ cup(150g) granulated sugar, and 1 cup(227g) unsalted butter (melted and slightly cooled) until combined. Make sure the butter is not hot or it will cook the eggs. Add 2(100g) large eggs and 2 teaspoons(8g) vanilla extract and whisk until smooth.
Add the dry ingredients to the wet ingredients and stir with a spatula until no streaks of flour remain. Do not overmix.
In a small bowl, combine 2 tablespoons(25g) granulated sugar and 1 teaspoon(2g) ground cinnamon for the topping.
Transfer the batter to the prepared pan and spread into an even layer with a spatula or offset spatula.
Sprinkle the cinnamon sugar topping generously and evenly over the batter.
Bake at 350℉ for 22 to 26 minutes, until the edges are set and the center no longer looks shiny. Do not overbake.
Let cool in the pan before lifting out using the parchment overhang and slicing into 18 bars.
Video
Notes
Flour Blend: Tested with Bob's Red Mill 1-to-1 Gluten-Free Baking Flour and King Arthur Measure for Measure. Both already contain xanthan gum. I cannot verify results with other flour blends.
Storage: Store in an airtight container at room temperature for up to 4 days or freeze for up to 3 months.