Preheat oven to 375°.
In a medium mixing bowl, whisk flour, baking soda and salt. Set aside.
In a large mixing bowl, beat on medium speed, butter, brown sugar, sugar, vanilla and corn syrup together until creamy.
Beat eggs into wet mixture, one egg at a time.
Gradually add flour a little at a time until all the flour mixture is mixed well.
Stir in chocolate chips and walnuts.
Spoon into mini cake pans from RachaelRay® until level with pan.
Bake for 15-17 minutes or until edges are brown.
Remove from oven and let set for a couple minutes, then remove from pan and place on wire rack to cool.