Whip up this healthy vegetarian stew in just 25 minutes with prosciutto, kale and butter beans. It's a low-calorie, low-fat dinner with three of your 5-a-day. -Ingredients 80g pack prosciutto , torn into pieces 2 tbsp olive oil 1 fennel bulb , sliced 2 garlic clove, crushed 1 tsp chilli flakes 4 thyme sprigs 150ml white wine or chicken stock 2 x 400g cans butter beans 400g can cherry tomatoes 200g bag sliced kale Method Fry the prosciutto in a dry saucepan over a high heat until crisp, then remove half with a slotted spoon and set aside. Turn the heat down to low, pour in the oil and tip in the fennel with a pinch of salt. Cook for 5 mins until softened, then throw in the garlic, chilli flakes and thyme and cook for a further 2 mins, then pour in the wine or stock and bring to a simmer. Tip both cans of butter beans into the stew, along with their liquid, then add the tomatoes, season well and bring everything to a simmer. Cook, undisturbed, for 5 mins, then stir in the kale. Once wilted, ladle the stew into bowls, removing the thyme sprigs and topping each portion with the remaining prosciutto.