
Cheap Protein Foods UK: A Family Budget List
You know protein matters. You have heard it from me, from the internet and probably from the back of a £3 protein bar. But when you are feeding a family of four on a tight budget, steak and salmon fillets are not happening on a Tuesday. The good news is that some of the most useful cheap protein foods UK supermarkets sell are sitting on the bottom shelf, in tins, or in the freezer aisle. In this post I will walk you through the ones I rely on, roughly what a portion costs, and how to turn them into meals your kids will actually eat.
If you want the background on how much you need, I have written a separate guide on how much protein you need as a busy parent. The British Nutrition Foundation also has a clear page on protein and where to find it. Here I am focusing on the shopping trolley.
How I judge cheap protein foods UK shops sell
Price on the front of the pack tells you very little. A big bag can look expensive and still be the best deal. So I use two quick checks:
- The unit price on the shelf label. Every UK supermarket shows price per kg or per 100g in small print. Compare that, not the sticker price.
- Price per portion. Roughly what it costs to put one decent serving of protein on one plate.
Prices change all the time and vary between Aldi, Lidl, Tesco and the corner shop on Junction Road, so treat the bands below as a rough guide, not a promise. The ranking is what matters: some foods are reliably cheap per portion, others only look cheap.
The budget protein list, by rough price per portion
Usually well under 50p a portion
- Eggs. Two eggs make a solid portion. Scrambled, boiled, in an omelette with leftover veg, or baked into a frittata you slice for lunchboxes.
- Dried or tinned lentils. Red lentils cook in 15 minutes with no soaking and vanish into a bolognese or curry. Kids rarely notice.
- Tinned beans and chickpeas. Kidney beans, butter beans, chickpeas, baked beans. Supermarket own brands are often well under a pound a tin, and one tin stretches across several plates.
- Frozen peas and edamame. Peas are not just a side, they carry a useful bit of protein too.
- Oats. Not a protein star on their own, but porridge made with milk is a cheap protein-plus-fibre breakfast.
Roughly 50p to £1 a portion
- Milk and natural yoghurt. A big tub of own-brand natural or Greek-style yoghurt goes a long way. Add fruit and oats and you have breakfast or pudding.
- Cottage cheese. Underrated. On toast, in jacket potatoes, or stirred into pasta sauce.
- Tinned fish. Tuna, sardines and mackerel. Sardines and mackerel also bring omega-3 fats.
- Chicken thighs. Usually far cheaper per kg than breasts, more flavour and harder to dry out.
- Tofu. Plain blocks in the chiller are reasonable value. Press it, cube it, roast it.
Worth buying on offer or in bulk
- Beef or turkey mince. Stretch 500g with a tin of lentils and it feeds twice as many people.
- Frozen fish fillets. Often cheaper than fresh, and they keep.
- Whole chicken. One roast, then leftovers for wraps, then the carcass for stock.
What usually does not earn its place on a tight budget: protein bars, “high protein” labelled yoghurts and snacks with a price premium, and ready-made protein shakes. They are fine as an occasional convenience, but you pay a lot for the label.
Five cheap meals built around budget protein
Here is how I would put the list to work across a week. None of these takes more than 30 minutes of hands-on time.
- Half and half bolognese. 250g mince plus a tin of green lentils, chopped tomatoes, onion, garlic and grated carrot. Serve with pasta, freeze the rest.
- Chickpea and spinach curry. Two tins of chickpeas, a tin of tomatoes, curry paste and a bag of frozen spinach. Rice or flatbreads on the side.
- Sheet-pan chicken thighs. Thighs, potatoes, peppers and onions on one tray. Leftovers go into the next day’s wraps.
- Egg fried rice. Yesterday’s rice, three or four eggs, frozen peas and sweetcorn, soy sauce. Ten minutes.
- Sardine or tuna pasta. Tinned fish, a tin of tomatoes, a spoon of capers or olives if you have them, and whatever green veg is in the freezer.
If you like cooking once and eating three times, my guide to high-protein batch cooking for families takes this further, and healthy family meals on a budget has more ideas for when money is tight.
A few money-saving habits that add up
- Shop the bottom shelf and the world foods aisle. Big bags of lentils, chickpeas and beans are often cheaper there than in the main aisle.
- Use the freezer. Buy chicken or mince on yellow sticker and freeze it the same day.
- Spread protein across the day. Rather than one huge portion at dinner, aim for some at each meal: eggs or yoghurt at breakfast, beans or tuna at lunch, chicken or lentils at dinner.
- Plan two “bean nights” a week. Swapping meat for pulses a couple of times a week is one of the easiest ways to cut the food bill, and the NHS Eatwell Guide encourages more beans and pulses anyway.
Where training fits in
Protein helps your muscles recover and adapt, but it only really pays off when you give those muscles a reason to change. That is where strength work comes in. In my SYP Built To Last strength class, we work on squats, hinges, pushes and pulls with kettlebells and dumbbells, scaled to your level. Pair a couple of classes a week with the simple eating habits above and you are giving your body what it needs to get stronger, without spending a fortune on supplements.
FAQs
What is the cheapest source of protein in the UK?
Per portion, dried lentils, tinned beans and eggs are usually the cheapest, especially own-brand. Check the unit price on the shelf label to compare, because pack sizes vary a lot.
Do I need protein powder if I train?
Most people do not. It is a convenient option if you struggle to eat enough from food, but eggs, milk, yoghurt, beans and tinned fish do the same job for much less money.
Is tinned food as good as fresh?
Tinned beans, chickpeas and fish are a perfectly good source of protein. Choose beans in water rather than salted water where you can, and fish in spring water or tomato sauce if you want to keep salt and fat lower.
How can I get my kids to eat more beans and lentils?
Hide them first. Blend red lentils into tomato sauce, mash butter beans into a dip, or mix half lentils into a familiar mince dish. Then bring them out more visibly once the family is used to the taste.
Book your first class
Good food is half the picture, and moving well is the other half. SYP Bootcamp runs 45-minute small-group classes in a church hall in Archway N19, with a maximum of 10 people and every exercise offered in an easier and harder version. It is £15 a class.Book your £15 class here or call or WhatsApp me on 07301 512215 and I will send you the timetable. If you later want a fully personal plan for training and eating, my 12-week transformation programme at SYP Fitness is the next step.
About the author
Artem Olekhnovych is a personal trainer in Archway and the founder of SYP Fitness and SYP Bootcamp. He has coached clients in Archway, Highgate and across North London for over 10 years, and runs small-group bootcamp classes for busy mums and dads. Read reviews from his 1-1 clients.