Rice, salmon steak (chilli, garlic powder, salt & pepper), cucumber, tomato, spring onion, lemon juice, avocado.
Rice, prawns (plain, with garlic and lemon, chilli, fried after being dusted with seasoned GF flour, lime juice, snippings of coriander or parsley, etc), cucumber, tomato, red onion.
Boiled potatoes, spinach, tuna, hard boiled egg, olive oil, lemon juice.
GF pasta, tuna, tomatoes, olives, red onion.
Coleslaw - red onion, carrot, red cabbage, sliced in the food processor, salt, rice vinegar, splash of pickled beetroot juice from the jar or orange juice, salt, pepper, sometimes a bit of mayonnaise, all in a tub and shaken up to last for a few days. Goes well with (everything) cold leftover chicken or roast pork.
Potatoes, spinach or mixed green leaves, pickled beetroot and horseradish, bit of mayonnaise to turn it glowing pink, spring onions or chives. Also goes well with cold meat.
Things like that.