In a large mouth quart jar, layer granulated sugar, nuts, coconut and crushed cornflakes and press down to compact.
Add brown sugar and press down, then add oats.
In a bowl, combine flour, baking soda, baking powder and salt. Add flour mixture to jar.
Fasten lid; attach below directions for making cookies to jar.
To make cookies: preheat oven to 350 degrees. In a mixing bowl, stir together contents of jar. Add 1/2 c. softened butter, 1 lightly beaten egg and 1 t. vanilla. Mix until well combined. Shape dough into 1-inch balls. Place 2 inches apart on ungreased cookie sheet. Bake for 10 to 12 minutes until edges are light brown. Cool 2 minutes and transfer cookies to wire rack and let cool. Makes 36 cookies.