Sift in bowl:

2 2/3 cup flour
2 1/2 tsp. baking powder
1/2 tsp. salt

In separate bowl combine:

2/3 cup shortening (melted)
2 1/4 cups brown sugar (packed)

Cool slightly and beat in, one at a time:

3 eggs

Add dry ingredients and mix together.  Then add:

1 cup broken nuts
1 pkg. chocolate chips (6 oz.)

Pour in greased 10x15 pan.  Bake at 350ºF for 25-30 minutes.