Sift together all of the above ingredients three times.
Store in an airtight container.
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