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Close-up of sliced Gluten-Free Snickerdoodle Bars with a golden cinnamon-sugar top.

Gluten-Free Snickerdoodle Bars

Soft, chewy gluten-free snickerdoodle bars topped with a classic cinnamon-sugar crust for an easy, bakery-style treat.
Course Dessert
Cuisine American

Ingredients
  

Main

  • 60 g unsalted butter room temp
  • 60 g shortening
  • 150 g light brown sugar
  • 50 g granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 1 tsp vanilla extract
  • 150 g gluten-free multipurpose flour
  • 15 g cornstarch
  • 1 tsp baking powder
  • 1/4 tsp cream of tartar
  • 1/2 tsp kosher salt

Cinnamon Sugar Topping

  • 45 g granulated sugar
  • 1–2 tsp ground cinnamon

Instructions
 

  • Preheat oven to 350°F. Line an 8×8 (or 9×9) pan with parchment paper, leaving overhang for easy lifting.
  • Whisk together flour, cornstarch, baking powder, cream of tartar, and salt. Set aside.
  • In a stand mixer or with a hand mixer, cream butter and shortening together. Add both sugars and beat 3–4 minutes until light and fluffy.
  • Mix in egg, egg yolk, and vanilla until combined.
  • Add the dry ingredients and mix until smooth dough forms.
  • Spread the dough evenly into the prepared pan.
  • Mix the cinnamon and sugar, and sprinkle it generously over the top.
  • Bake for 20–22 minutes, until the edges are golden and the center is just set.
  • Let the cake cool in the pan for about 10 minutes, then move it to a wire rack to cool completely before slicing.

Notes

Rachel’s Tips & Swaps: This dough is very forgiving and can be made with half coconut oil if needed. The cinnamon sugar topping adds classic snickerdoodle crunch. Make-Ahead & Storage: Store at room temperature for 2–3 days or refrigerate for up to a week.
Keyword bar cookies, chewy bars, cinnamon sugar, gluten free dessert, gluten-free, snickerdoodle, snickerdoodle bars