01 -
Preheat the oven to 350°F (175°C).
02 -
Mix 1 cup unsalted butter, 1 cup granulated sugar, and 1 cup packed brown sugar until light and fluffy.
03 -
Beat in 2 large eggs and 1 teaspoon vanilla extract until fully combined.
04 -
Whisk together 3 cups all-purpose flour, 1 teaspoon baking soda, and 1/2 teaspoon salt. Gradually mix into the wet ingredients.
05 -
Add 1 cup toasted, chopped hazelnuts, 1 cup semi-sweet or dark chocolate chips, and 1/2 cup crushed cornflakes. Fold gently to combine.
06 -
Drop rounded tablespoons of dough onto a lined baking sheet. Bake for 10-12 minutes, or until edges are golden.
07 -
Remove from the oven and cool on the baking sheet for 5 minutes. Transfer to a wire rack to cool completely.