To bring out the best in your walnuts, toasting is the way to go. Not only is it easy, but it also unveils deeper flavor and adds extra crunch. Start by preheating your oven to 350°F (175°C). Spread the walnuts on a baking sheet in a single layer, then bake for about 5-10 minutes until golden and aromatic. Let them cool before adding them to your salad.