INGREDIENTS
1
package active dry yeast
1 cup
warm water (105° to 115°)
1 tbsp
plus 1/2 teaspoon sugar, divided
420 g
(about 3 cups) kumquat's all-purpose gluten-free flour, divided
1 tsp
salt
1 tsp
xanthan gum
4 tbsp
butter, softened
4 cups
water
2 tbsp
baking soda
Cooking spray
Coarse salt