Pickled jalapenos and vinegary brine boost avocado salad

This image released by Milk Street shows a recipe for Arugula and Avocado Salad with Jalapeño Vinaigrette. (Milk Street via AP)

One of the best ways to build flavor is layering, or using one ingredient in two ways or at different stages of cooking. Using the zest of a lemon in cake batter, for instance, while using the juice in a citrusy glaze.