Preheat oven to 450 degrees F. Grease bottom and sides of an 8-inch square pan with vegetable shortening. Place wax paper on greased pan bottom and grease top of paper. In food processor, blend dry ingredients. Empty into small bowl; set aside. Do not clean work bowl. Replace work bowl; process wet ingredients (except cocoa) until smooth and Sugar/sucanat is dissolved. Add cocoa; process until smooth. Add dry mixture all at once. Pulse to blend just until all dry ingredients are moistened. Spread evenly into prepared pan. Sprinkle with chopped nuts. Makes 12 servings.