Sift flour, baking powder and salt together. Mix sugar and cocoa; add to flour mixture and blend thoroughly. Cut in shortening.
Place 2 cups Brownie Mix in individual containers with tight-fitting lids. Wrap a colorful ribbon around each container. Make and attach a card that gives directions. Store in refrigerator.
To make Brownies: Beat 2 eggs; add 1 teaspoon vanilla and 2 cups brownie mix; blend well (batter will not be smooth). Stir in 2/3 cup nuts, if desired. Pour batter into an 8-inch-square pan and bake at 350°F. for 20 to 25 minutes. If desired, cooled brownies can be frosted and/or sprinkled with nuts. (NOTE: Store Brownie Mix in refrigerator until ready to use.)