1/2 c. soft butter
2 c. sugar
4 eggs
1 1/2 c. flour
1 tsp. baking powder
1/8 tsp. salt
1/4 tsp. baking soda
1 (8 1/2 oz.) can crushed pineapple, well drained
1/2 c. chopped nuts

Sift dry ingredients. Cream shortening and sugar well; add eggs and beat. Stir in dry ingredients. Add pineapple and chopped nuts. Place batter into a lightly greased 9 x 13 inch pan. Bake at 350 degrees for about 40 minutes. Cool before cutting into bars. Frost with butter icing if desired, or sprinkle with confectioners sugar.