In a large bowl mix the first 7 ingredients together (garbanzo bean flour through yeast). In another bowl blend together the water, eggs, oil and vinegar. Add wet ingredients to the dry mixture; blend well. Spoon bread dough into the breadmaker bucket. Choose a gluten free setting or program a cycle with a 10 minute mix/knead, a 60 minute rise, and a 90 minute bake or until an internal temperature of 210°F has been reached. Only one rise is needed for gluten-free breads. Finished loaf should be about 5 inches high. Makes 1-1/2 lb. loaf.
By Hand Instructions:
In a large bowl, dissolve sugar in the warm water. Sprinkle yeast on top and let stand 5 minutes. In a medium bowl, combined the flours, starch, xanthan gum and salt; set aside.
Add the eggs, oil and vinegar to the yeast/water mixture. Blend ingredients until fully combined. Add the dry ingredients and blend for about 2 minutes. Using a spatula, spread dough into a greased bread pan. Cover with plastic wrap and let rise in a warm location for 30 minutes, or until dough rises to top of bread pan.
Place bread in preheated 375°F oven and bake 55 minutes.