Combine and mix flour, salt and baking powder in a bowl.
Place the egg in a small bowl and whisk with a fork thoroughly.
Whip shortening for a minute or two with a handheld mixer.
Add vanilla to the shortening and mix well.
Add brown sugar and granulated sugar to the shortening and mix for another minute or two until combined well.
Next, add the egg mixture to the shortening and blend well.
Add portions of the flour to the sugar/shortening mixture and beat well after each addition.
Once all the flour is added beat for a minute.
Add nuts and chocolate chips and mix well.
Preheat oven to 375 F.
Mold the dough into balls, place them on a plate, and refrigerate them for at least 15 minutes.
Place cookies on an ungreased cookie sheet.
Bake for 15 minutes until golden brown. Cool slightly and transfer to a wire baking rack. If baking in a non-convect oven, bake for additional 1-2 minutes.