A traditional Portuguese soup, "caldo verde", combines pureed potatoes, diced kale, olive oil and salt. Traditionally, fruit fool is made by folding pureed stewed fruit (classically gooseberries) into sweet custard. They can be baked, boiled, pureed, roasted, fried, grilled, or steamed. Pureed pears, pineapple, kiwi, and onions are often used as tenderizers. To make laverbread, the seaweed is boiled for several hours, then minced or pureed. Its typical red colour is derived from crushed or pureed tomatoes. This version of latke is made with pureed potatoes. Yams are also eaten pureed (Pereku) or ground and dried (Yennu). The common ingredient of all variations of pkhali is pureed walnut sauce. Savory profiterole are also made, filled with pureed meats, cheese, and so on. The chunky texture of the dish distinguishes it from other more smoothly pureed potato-based dishes. Young babies eat pureed baby foods because they have few teeth and immature digestive systems. The next stage provides a blended or pureed sugar-free diet for at least two weeks. Disappointingly, the six 'unforgiving' tracks merely blend into a pureed sameness.