Sopa de Habas y NopalitosEstela Salas Silva shared this recipe from her family collection. Cooks from everywhere travel to attend Señora Silva's cooking classes in her home just outside Tlaxcala near Puebla. Dried peeled fava beans and (cactus strips) can be found in Latin-American food markets in the United States. Buy cactus strips packed in water, not brine, and be sure to rinse them thoroughly.