4 cups all-purpose flour
1 teaspoon baking soda
1/2 teaspoon salt
1 1/2 cups packed brown sugar
1 egg
2 teaspoons pumpkin pie spice
1/2 cup chopped walnuts
Preheat oven to 450 degrees F (225 degrees C). Lightly grease a small bowl, place flour on bowl and sprinkle with baking soda. Mix together the brown sugar and egg; set aside.
In a large bowl, sift together the pumpkin pie spice and walnuts. In a third bowl, sift together the sifted ingredients; stir to combine. Pour into prepared cookie sheet.
Bake for 12 to 15 minutes in the preheated oven, or until a small knife inserted into the middle comes out clean.