Melt shortening and butter over very low heat. Remove from heat and stir in sugar. Add egg and vanilla; beat well. Combine flour, soda, baking powder, and salt; sift into sugar mixture and mix well. Blend in oats, corn flakes, and peanuts. Shape dough into 3 cm balls. Place 5 cm apart on greased baking sheet. Bake at 180ºC or dozen to 15 minutes. Makes 4 dozen 5 cm cookies. Reprinted with permission from _Brown Sugar Recipe Bonanza_ From the C and H Sugar Kitchen Electronic format by Karen Mintzias