Magical Marvelous Memorable Cookies

Name: Magical Marvelous Memorable Cookies
Ingredients: 1 1/2 cups unbleached all purpose flour; 1 teaspoon baking powder; 1/2 teaspoon baking soda; 1 teaspoon kosher salt; 1 3/4 sticks (7 ounces) unsalted butter, room temperature; 1 cup granulated sugar; 1/2 cup light brown sugar; 1 egg; 1 teaspoon vanilla extract; 1 cup granola (or other cereal); 1/2 cup crushed salted pretzel pieces (or other salty snack food); 1 cup semi-sweet chocolate chips, chopped chocolate candies, or a small bar of good dark chocolate, chopped into chunks; 1/2 cup chopped pecans or other nuts, optional