This low calorie sweet and sour chicken delivers the full takeaway experience — crispy chicken, glossy tangy-sweet sauce, peppers and pineapple — for roughly 290 calories a portion instead of the 700-plus a takeaway carton typically carries. The secret is the air fryer: a light cornflour coating goes genuinely crisp with barely any oil, and the sauce is built from vinegar, reduced-sugar ketchup, honey and stock rather than the syrup-heavy glazes of the high street. It is faster than delivery, a third of the price, and you control everything in it. A quick note: FoodHam is an independent budget food blog. These are homemade slimming friendly ideas inspired by classic…