For best results, use room-temperature eggs for a lighter, airier cake. Toasting the walnuts enhances their flavor and adds a delightful crunch. Be careful not to overmix the batter, as this can result in a tough cake. The carrot glaze can be made ahead of time and stored in the refrigerator for up to 3 days. Reheat gently before using. For a richer flavor, use homemade carrot juice. A splash of lemon juice in the glaze will add brightness