Soft Gluten Free Naan Bread (Indian Flatbread)

INGREDIENTS

• 1/2 cup water, heated to 110 degrees F
• 1 tablespoon honey or 1 tablespoon agave syrup
• 2 teaspoons instant yeast
• 1/2 cup buttermilk
• 3/4 cup rice flour
• 3/4 cup brown rice flour
• 3/8 cup potato starch, plus more for dusting
• 3/8 cup cornstarch
• 2 teaspoons guar gum or 2 teaspoons xanthan gum
• 1 1/2 teaspoons salt
• 1/4 teaspoon baking powder
• 1/4 cup cooking oil
• 2 large eggs, beaten (or use gluten free egg replacer or substitute)
• unsalted butter, for buttering tops of naan (or Earth Balance spread)