Gluten-Free Chocolate Chip Oatmeal Cookies

INGREDIENTS

1/2 cup

unsalted butter, at room temperature

1/2 cup

light or dark brown sugar, packed

1/4 cup

granulated sugar

large egg, at room temperature

1 1/2 tsp

gluten-free vanilla extract

1 cup

King Arthur Gluten-Free Flour

1/2 cup

gluten-free quick-cooking or old-fashioned oats

1/2 tsp

baking powder

1/2 tsp

baking soda

1 tsp

xanthan gum

1/2 tsp

kosher salt or 3/8 teaspoon regular table salt

1 1/2 cups

chocolate chips