Step 1

In the bowl of a stand mixer with the paddle attachment on medium speed, cream the softened butter with the granulated sugar and brown sugar until light and fluffy, about 3 minutes. Add the eggs and vanilla extract , let mix until just combined. Scrape down the sides of the bowl as needed.1 cup unsalted butter, 1 cup granulated sugar, 1 cup light brown sugar, 2 each large eggs, 1 teaspoon vanilla extract

Step 2

Whisk together the flour, baking soda, baking powder and salt and add to the mixing bowl. Mix on low speed just until combined.1 cup granulated sugar, 2 cups all purpose flour, 2 teaspoons baking soda, ½ teaspoon baking powder, 1 teaspoon kosher salt

Step 3

Add the oatmeal to the mixing bowl and mix on low speed until combined.2 cups quick cooking oats

Step 4

Fold in the cornflakes, rice cereal, shredded coconut and chopped nuts by hand with a sturdy spatula.1 cup cornflakes, 1 cup rice cereal, 1 cup unsweetened coconut flakes, 1 cup chopped walnuts nuts

Step 5

Scoop onto a parchment lined cookie sheet using a 1 ounce cookie scoop. Bake at 350℉ for 9-12 minutes. The cookies will be golden brown around the edges and set in the center.

Step 6

Let cool on the baking sheet for a few minutes before transferring them to a wire rack to let cool completely. Best eaten the day they are baked.