Plugrà - Skillet Chocolate Chunk Cookies

Ingredients

• 1¼ cup (150g) all-purpose flour
• ½ tsp. (2.4g) baking soda
• ½ tsp. (3g) kosher salt
• 4 oz. (113g) Plugrá® Premium Butter, unsalted, softened
• ½ cup (98g) dark brown sugar
• ½ cup (100g) granulated sugar
• 1 lg. (50g) egg, room temperature
• 1 tsp. (5g) vanilla extract
• 4 oz. (113g) semi-sweet or bittersweet chocolate bar, coarsely chopped
• ½ cup (56g) finely chopped walnuts, optional