1 1/2 cups (210 g) all purpose gluten free flour (iâ highly re my better than cup4cup blend, my mock cup4cup, or my better batter pastry hack blend), plus more for sprinkling3/4 teaspoon xanthan gum (omit if your blend â already contains it)1/4 teaspoon baking powder1/2 teaspoon kosher salt6â tablespoons (84 g) unsalted