Gluten-free Rice Flour and Chocolate Cookies

Name: Gluten-free Rice Flour and Chocolate Cookies
Prep time: 10 min
Cook time: 1 h 35 min
Total time: 1 h 35 min
Yield: 20 piece
Ingredients: 250 gram white rice flour; 70 gram caster sugar; 100 gram butter, unsalted (from cows' milk); 1 egg, European medium (53-63 g) (from chicken); 110 gram dark chocolate chip; ½ teaspoon baking powder