This is also a berry expensive habit at £400 million a year – more than any other fresh fruit item in terms of the cost of waste. Most fresh fruit is flung because it went rotten or mouldy. Frozen berries in single varieties or frozen fruit mixes are perfect for smoothies and desserts and last for ages. If you’re buying fresh fruit for smoothies only to watch it compost in the fridge, then smoothie mixes could be just what you need in your life.