Preheat the oven to 350 degrees F.

In a food processor, grind the granola until very fine. Set aside.

Combine the flour, baking soda, and set aside.

In a large mixing bowl, beat the butter until creamy. Add all 3 sugars and mix just until blended, then add the egg and vanilla and mix until incorporated. Add the flour mixture by hand or using the lowest speed of a stand mixer. Stir in the oats, ground granola, chocolate chips and nuts.

Shape dough into about 20 to 22 large balls of dough and arrange them about 3 inches apart on ungreased or parchment lined cookie sheets.

Bake one sheet at a time for 15-17 minutes or until edges are brown and centers appear set. Let cool on the baking sheets for 5 minutes, then carefully transfer to wire racks to cool.