Oatmeal Cookies

What to Buy1. Gluten-free flour - 1 cup
2. Baking powder - 3/4 teaspoon
3. Baking soda - 1/2 teaspoon
4. Salt - 1/2 teaspoon
5. Butter - 175 grams, not too soft
6. White sugar - 1 cup
7. Brown sugar - 1/4 cup
8. Egg - 1 large
9. Vanilla extract - 1 teaspoon
10. Gluten-free oats - 2.5 cups

How to Make It1.