1 stick softened butter
1/2 c. vegetable oil
1 egg
1/2 tsp. vanilla
1/2 c. sugar
1/2 c. packed brown sugar
1 tsp. baking powder
1/4 tsp. salt
2 1/4 c. all-purpose flour
1 c. chocolate chips

Cream butter, oil, egg, vanilla and sugars together. Add flour, salt and baking powder; mix well. Fold in chocolate chips. Spray a 9 x 13 baking pan with nonstick spray.

Press dough in bottom of pan and bake at 350°F for about 8 to 10 minutes or until lightly browned. Let cool and cut into squares.