Peanut Butter Cookies (Gluten-Free)

100g brown sugar	beat	mix	mix	combine	bake as ~40 cookies at 350°F for 12 minutes
½ cup butter
350g coarse-ground peanut butter
1 egg
1½ tsp vanilla
190g almond flour	mix
80g tapioca flour
1 tsp baking soda
½ tsp baking powder
½ tsp salt