In one bowl mix 2 c GF flour, 1tsp baking soda, 1tsp baking powder and salt
In a separate bowl mix 1 stick butter with 1/2 c sugar. Next add 2 eggs, 2 Tbsp milk, 1/2 tsp vanilla and 4-5 ripe mashed bananas. Add chocolate chips and combine both bowls, only stirring until mixed.
Bake for 50-65 min!