Preparation Halve, pit, and peel avocados. Coarsely mash in a bowl. Stir in onion, chiles, 1/4 cup lime juice, and 1 1/4 teaspoons salt, then fold in pomegranate seeds, mango, and cilantro. Season with salt and additional lime juice. CooksÂ’ note:Guacamole can be made 4 hours ahead and chilled, its surface covered with parchment paper or plastic wrap. Bring to room temperature and stir before serving.