Creamed purple VicentaLakin The most common practice is evaporated, but then the eggplants absorb a lot of moisture, they are well branded, they better preserve the smell of the eggplants, and most importantly they are well suited to an appetiteless summer and to friends who need to lose their fat. They don't lose to fried eggplants or oily eggplants. The key is low heat, and they're good。