This is a basic recipe to cook any vegetable in Gujarati style and it is referred as shaak. Usually there is some kind of a shaak with a meal (Gujarati thali). In vegetables like cauliflower, cabbage, green beans, okra etc. mustard seeds are used whereas for potatoes, sweet potatoes, butternut squash and eggplant etc.; cumin seeds are used. You can cut down amount of oil and adjust seasoning according to your taste. The spices and its amount from recipe works for 3 medium size potatoes, one medium size eggplant, and 30 to 35 green beans (or 1 16 oz. bag of cut green beans or French cut green beans). You can also mix and match vegetables.