1. Instructions for assembling the Jar:
2. Pour the brown sugar into your jar and make it as level and smooth as possible.
3. Pour the white sugar over and make it level.
4. In a small bowl combine the flour, cocoa powder, baking soda and salt. Mix well.
5. Gently spoon flour mixture over sugar and level carefully.
6. Pour the chocolate chips on top of the flour, then sprinkle white chocolate chips over and level.

Directions for Baking

1. Preheat oven to 350 degrees.
2. Empty contents of jar into large mixing bowl.
3. Add egg and softened butter.
4. Beat together on low speed or by hand until mixture is thoroughly blended.
5. Drop the dough by heaping teaspoons onto ungreased cookie sheet.
6. Bake for 13 to 15 minutes.
7. Remove from oven and let cookies cool for 1 minute and then transfer to cooling rack.
8. Makes about 3 dozen cookies.