SLIGHTLY FERMENTED CORNBREAD

Slightly fermented cornbread recipe.
Ingredients:
- 1 and 1/2 cup milk of your choice
- 3 Tbsp sugar of your choice
- 1/2 tsp salt
- 1/4 cup yogurt or milk kefir
- 2 cups fine cornmeal
- 4 Tbsp arrowroot or tapioca flour
- 1 egg
- 2 tsp baking powder
- 1 Tbsp butter or oil

[@humanbeingnotahumandoing1]

Can i use tapioka starch instead of flour?