Step 1. Mix the sugars, softened butter and shortening, and peanut butter in a large bowl and gradually add in the egg, flour and baking soda and powder and salt. Then cool cookie dough for two hours before baking.

Step 2. Heat oven to 375°F

Step 3. Use a cookie scoop to scoop the cookie dough on to an greased cookie sheet.

Step 4. Bake for 9 – 10 minutes and then cool on a wire cookie sheet.