11. Mix dry ingredients, add shortening and mix until it has the texture of cornmeal.
Store in an airtight container.
2Using the Mix to Make Brownies:
While the oven is heating, beat butter. Add eggs one at a time, beating after each addition. Stir in vanilla and 2 cups of the brownie mix. Add nuts
3Transfer batter to an 8x8-inch square pan that has been well greased and floured (or line with foil leaving a "handle" hanging out over the sides for easy removal). Smooth the top with the back of a wet spoon. Bake for 20-25 minutes.