Add the potatoes and boil for 5 mins until just tender. Bring a large pan of salted water to the boil. In large nonstick skillet, heat 4 tbsp of the oil over medium heat; cook onion, In a bowl, roughly mash the butter beans with the back of a fork. Heat the remaining 1 tablespoon oil in the skillet over medium-high heat. Drain well and leave in the colander to steam-dry. Cook, stirring once or twice, until browned, about 5 minutes. Add the turnip, sweet potato, orange juice and zest, and the beans and cook for 10 minutes, or until the vegetables are tender. Stir the onion- Heat olive oil in a heavy bottomed skillet over medium-high heat. Add the potatoes and a generous pinch of salt, toss well to coat. I had the basics - potatoes, onions, eggs - and decided to go with an easy Preparation. Tip in the cooked Add the kale, season with salt and pepper, and cook until the kale is tender, about 5 minutes. Add the drained potatoes, 1/4 teaspoon salt and black pepper to taste.