How Many Syns in Green Pesto?

Green pesto is one of those store-cupboard saviours that can transform a sad bowl of pasta into something restaurant-worthy in under a minute, but it's also a stealth syn-bomb that catches a lot of Slimming World members out. The classic Genovese recipe leans on three high-energy ingredients: extra virgin olive oil, pine nuts and hard Italian cheese (usually Parmesan or Pecorino). Even with the basil and garlic doing the flavour heavy-lifting, the oil and nuts mean a single tablespoon typically lands around 3 syns, and most jars suggest a portion of two to three tablespoons per person. Stir a generous dollop through spaghetti and you can quietly clock up 9 to 12 syns before you've even thought about cheese on top.

The good news is that pesto is one of the most flavour-dense condiments going, so a little really does stretch a long way. A teaspoon swirled into a tin of chopped tomatoes turns a Speed-friendly pasta sauce into something with proper depth. A scant tablespoon loosened with pasta water coats an entire bowl of penne. You can also use it as a marinade for chicken before grilling, dot it over roasted Mediterranean vegetables, or thin it down with fat-free Greek yogurt to make a herby dressing for new potatoes that costs you barely any syns at all.

If you adore pesto but baulk at the syn cost, it's worth knowing that lighter and reduced-fat versions do exist on UK supermarket shelves, often saving you a syn or two per tablespoon. Some members prefer to whizz up a homemade version using fat-free yogurt, basil, garlic and a little Parmesan, which can come in significantly lower. Whichever route you go, weigh or measure carefully rather than eyeballing it straight from the jar.