Membrillo Watt's – Chilean Quince Paste Membrillo Watt's is Chile's quince paste, cooked down until it is firm enough to slice and sweet with a gentle tang behind it. It is the block that sits next to the cheese on a Chilean table. Choose the 8.82 oz (250 g) or the 17.64 oz (500 g) size. Slice it over cheese and crackers, spread it on toast, stir it into yogurt, or bake it into pastries. Why You'll Love It Traditional Chilean quince paste Sweet with a gentle fruit tang Smooth and firm enough to slice The classic pairing with cheese Two sizes: 250 g or 500 g Keep the breakfast table stocked with Watt's Mermelada, browse everything by Watt's, or see the whole fruits and jams collection. About Watt's Watt's is one of Chile's best known food brands, recognized for juices, nectars, and fruit preserves found in Chilean kitchens for generations.