Salmon has a reputation as a treat-night fish — delicious, but too dear for everyday meal prep. The truth is more encouraging: frozen salmon fillets from the supermarket are often excellent value, the air fryer cooks them perfectly in about 10 minutes, and paired with broccoli and rice you get a genuinely balanced air fryer salmon meal prep bowl that is faster than ordering a takeaway. Fifteen minutes, one basket, four lunches. The air fryer is arguably the best home tool for salmon. The intense heat crisps the skin (if your fillets have it) while keeping the flesh moist, and because the cooking time is so short there is very…