Budget-friendly lunch ideas for adults taking food to work (Australia)

The real cost of buying lunch every day

A typical café or fast food lunch in an Australian city costs between $12 and $18. At four days a week for fifty working weeks, that is $2,400 to $3,600 per year from a single person's lunch habit. Most households with two working adults are spending significantly more.

Bringing lunch from home does not have to mean eating the same sad sandwich every day. The key is building a short rotation of things you will actually enjoy, bought and prepped efficiently.

The most cost-effective lunch formats

Leftovers from dinner. This is consistently the cheapest per-serve option. Cooking slightly more than you need for dinner and portioning the rest into a container for the next day requires almost no extra effort or cost. Our stretch meals guide covers how to cook with this in mind.

Grain salads. A batch of cooked grains — rice, farro, quinoa, pearl barley — mixed with roasted vegetables, a protein and a simple dressing keeps well in the fridge for three to four days. Cook once on Sunday, eat across the week.

Wraps and rolls. Faster to assemble than sandwiches and easier to eat at a desk. A pack of wraps, some deli meat or tinned fish, pre-washed salad leaves and a condiment covers multiple lunches for less than the cost of a single café lunch.

Tinned fish with crackers or on rice. Tuna, salmon and sardines in tins are cheap per serve, require no preparation beyond opening and keep in a desk drawer or bag without refrigeration until opened. Paired with crackers, rice cakes or a bread roll, they make a complete and quick lunch.

Soups in a thermos. A batch of homemade soup — lentil, minestrone, pea and ham — made on the weekend keeps for four to five days and travels easily in a wide-mouth thermos. Cost per serve is very low for filling meals.

Keeping variety without complexity

The lunches that get abandoned are usually the ones that require too much decision-making or preparation in the morning. The simplest system is a short rotation of three or four options you like, with ingredients bought weekly to cover them. You know the options, you have the ingredients, and the assembly is automatic.

Avoid overcomplicating it with elaborate meal prep. Simpler is more sustainable.

Comparing costs on lunch staples

Canned fish, crackers, wraps and condiments are stable packaged goods that are worth comparing across retailers before a weekly shop. Run a search on TrolleyChecker for your regular brands and check whether another chain has a better price this week.

Our work lunches guide covers the broader context of managing weekday lunch spend.