INGREDIENTS
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For the crumble topping 6 tablespoons (84 g) unsalted butter, melted1/2 cup (70 g) all purpose gluten free flour1/4 teaspoon xanthan gum (omit if your blend already contains it)1/2 teaspoon pumpkin pie spice*1/8 teaspoon kosher salt2/3 cup (145 g) pa