Preheat oven to 350.
Mix oats, sugar, baking powder, salt and pecans together in a large bowl until well incorporated. Add butter, egg and vanilla to oat mixture; mix well.
Drop teaspoonfuls of batter onto cookie sheets lined with parchment paper or silpats, leaving at least 2 inches between each cookie.
Bake cookies until edges turn golden, about 10 minutes. Let cookies stand on cookie sheet for 2 minutes before removing to a cooling rack. Serving is 2 cookies.
Bake
2007
These cookies really spread out, but are so good.