These gluten-free peach crumb bars have a buttery shortbread crust pressed into the pan, a juicy peach filling spiced with cinnamon and nutmeg, and a golden crumb topping made from the same dough. Fresh or frozen peaches work, and the whole thing comes together in one bowl.
2cupsgluten-free flour blend - I used Bob's Red Mill 1-to-1 Gluten-Free Baking Flour (in the blue bag), which contains xanthan gum
¾cupgranulated sugar
1teaspoonbaking powder
1teaspooncinnamon
1teaspoonsalt
¾cupunsalted butter - melted and slightly cooled
1teaspoonpure vanilla extract
For the Filling:
3cupspeaches - peeled and diced (from about 4 medium peaches)
¼cupgranulated sugar
2tablespoonsfresh lemon juice
2tablespoonscornstarch
1teaspooncinnamon
½teaspoonnutmeg
½teaspoonsalt
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Instructions
Preheat the oven to 350°F. Line a 9x9-inch baking dish with parchment paper and set aside.
In a large bowl, whisk together 2 cups gluten-free flour blend, ¾ cup granulated sugar, 1 teaspoon baking powder, 1 teaspoon cinnamon, and 1 teaspoon salt.
Stir in ¾ cup unsalted butter and 1 teaspoon pure vanilla extract until the dough comes together. It will look crumbly.
Reserve 1 scant cup of the dough and set aside for the topping. Press the remaining dough firmly and evenly into the bottom of the prepared baking dish.
In a separate bowl, toss 3 cups peaches that have been peeled and diced with ¼ cup granulated sugar, 2 tablespoons fresh lemon juice, 2 tablespoons cornstarch, 1 teaspoon cinnamon, ½ teaspoon nutmeg, and ½ teaspoon salt until the peaches are evenly coated.
Pour the peach filling over the crust and spread into an even layer.
Crumble the reserved dough evenly over the peach filling.
Bake at 350℉ for 45-50 minutes, until the topping is golden brown and the peach filling is bubbling around the edges.
Let cool completely before slicing. For the cleanest cuts, refrigerate for 30 minutes before slicing.
Notes
Gluten-Free Flour: I tested this recipe with Bob's Red Mill 1-to-1 Gluten-Free Baking Flour (blue bag). I cannot verify other flour blends will produce the same results as I have not tested them.
Dairy-Free/Vegan: Substitute melted vegan butter such as Earth Balance vegan buttery sticks for the unsalted butter.