You can almost feel good about eating a bar cookie when there are sweet cherries in em.
Preheat oven to 325F.
Combine flour, brown sugar, baking powder, salt, oil, eggs and vanilla; mix on low speed of electric mixer until blended. Mix 1 minute on medium speed. Batter will be thick.
Spread half batter in oiled and floured 9-inch baking pan. Toss cherries in small amount of flour. Scatter cherries over batter; spread remaining batter over cherries.
Sprinkle pecans over top. Bake for 30-35 minutes or until wooden pick inserted near center comes out clean. Cool on rack and cut into 16 pieces.