Making GF hot dog buns

I am on a roll my son is actually trying a few new smells and shapes.  WoooHooo!!!
I made these french bread type rolls

Dry Ingredients:                            Yeast Mix:

2 c. rice white rice flour                   2 T. sugar

1 c. tapioca flour                           1 1/2 c. lukewarm water
3 t. xantham gum                            2 T. yeast
1 1/2 t. salt
2 t. egg replacer


Wet Ingredients:
2 T. butter or sub ( I used ghee)
3 egg whites (beaten)
1 t. vinegar

1.  Proof the yeast mixture until foamy
2. mix together dry ingredients
3. mix seperate bowl wet ingredients
4. add yeast mix (after 15 mins) to dry ingredients---blend in
5. add wet ingredients and beat on high for 3 minutes
6. form loaves on greased and cornmeal cookie sheets or special bread loaves
7. cover and let rise 20- 25 minutes
8. preheat oven to 400
9. bake for 40-45 minutes
10. enjoy