To use, heat oven to 350 degrees F.
Combine 1 3/4 cups Brownie Mix, 1/4 cup warm water, 1/4 cup vegetable oil, 1 teaspoon vanilla extract and 1 egg. Beat with electric mixer for 1 minute at medium speed. Stir in 1/4 cup chopped nuts, if desired. Pour into a greased 9-inch square baking pan.
Bake for 20 minutes, or until brownies test done.
Cool in pan on rack.
Cut into 3-inch squares or pie-shaped wedges.