One of the biggest myths about the ketogenic diet is that it’s expensive. With smart shopping at UK budget supermarkets, you can eat delicious, nutritious keto meals for under £5 per day — roughly £35 per week. Here’s how.
Build your budget keto kitchen around these affordable staples: eggs (30-pack from Aldi, ~£3.50), chicken thighs (1kg from Aldi, ~£2.50), beef mince 20% fat (500g, ~£2), tinned sardines/mackerel (~50p per tin), frozen spinach (900g bag, ~£1.20), frozen broccoli (~£1), full-fat Greek yoghurt (~£1), butter (~£1.50), mature cheddar (~£2 for 400g), and cream cheese (~£1.20).
Breakfast: 3-egg omelette with cheese and frozen spinach — ~50p
Lunch: Tinned sardines with cucumber slices and olive oil — ~90p
Dinner: Beef mince with fried courgette and cheese — ~£2
Snack: Boiled egg with sea salt — ~25p
Total: ~£3.65
Aldi and Lidl consistently offer the best prices for keto staples. Buy frozen vegetables in bulk, choose cheaper cuts of meat, buy eggs in the largest packs available, and use own-brand dairy products. Explore our keto breakfast recipes and keto lunch ideas for budget-friendly meal inspiration.