Yield: 48 bars
Heat oven to 350 F. Grease bottom and sides of 15-1/2x10-1/2x1 inch jelly roll pan, with shortening. Lightly flour.
Mix cake mix (dry), oil, water and eggs in large bowl with spoon. Stir in raisins and nuts. Spread evenly in pan.
Bake 15 to 20 minutes or until bars spring back when touched lightly in center. Cool completely, about 1hour.
Frost with frosting. Cut into 8 rows by 6 rows.
Please note that some ingredients and brands may not be available in every store.