The Cheapest Keto Dinners in the UK

The ketogenic diet doesn’t have to break the bank. With careful planning and smart shopping, you can enjoy nutritious, low-carb meals for less than £2 per portion. The key is prioritising cheap cuts of meat, seasonal vegetables, and bulk-buying staples like eggs and cheese.

Where to shop for keto on a budget

Aldi and Lidl consistently offer the lowest prices for keto staples. A dozen large eggs cost 99p at Aldi, compared to £1.85 at Waitrose. For frozen vegetables, Iceland sells 1kg bags of cauliflower rice for £1.50, while Tesco charges £2 for the same weight. keto meal planning becomes essential when working with tighter budgets.

The five cheapest keto proteins

1. Chicken thighs (bone-in, skin-on): £2.50/kg at Asda versus £6/kg for breast 2. Pork shoulder: £3.20/kg at Morrisons, perfect for slow cooking 3. Minced beef (20% fat): £3.50 for 500g at Sainsbury’s 4. Tinned mackerel: 65p per 125g tin at Lidl 5. Whole chicken: £3 at Aldi (stretch across 3-4 meals)

What this means in practice

A filling keto dinner for one can cost under £1.50:

2 eggs (16p at Aldi)
100g frozen spinach (20p at Iceland)
30g cheddar (30p at Tesco)
1 tbsp butter (10p)

In winter, root vegetables like cabbage (45p/head at Tesco) and swede (60p/kg at Morrisons) provide cheap fibre. Summer brings courgettes at £1/kg in season. The NHS advises that frozen vegetables retain similar nutrients to fresh at lower cost.

Building flavour without carbs

Basic seasonings transform cheap ingredients:

Salt and pepper: 65p for 100g at Aldi
Garlic powder: £1 for 45g at Tesco
Paprika: £1.15 for 40g at Sainsbury’s

keto electrolytes become more important when eating simpler meals, as you’ll miss some mineral sources from pricier ingredients like avocado.

Frequently asked questions

Is keto actually cheaper than a normal diet?

It can be when focusing on whole foods. Processed low-carb products are expensive, but basic meat, eggs and vegetables often cost less than ready meals or takeaways.

How can I make cheap meat more tender?

Slow cooking tougher cuts like pork shoulder or beef shin breaks down connective tissue. A 3kg pork shoulder (£9.60 at Morrisons) becomes fork-tender after 8 hours in a slow cooker.

Are frozen vegetables keto-friendly?

Yes. Frozen broccoli (85p/500g at Iceland) has 4g net carbs per 100g, same as fresh. They’re picked at peak ripeness and frozen immediately, retaining nutrients.

The bottom line

Eating keto on a budget requires prioritising nutrient density over convenience. Focus on eggs, cheap cuts of meat, and seasonal vegetables to keep costs down while staying in ketosis. Batch cooking saves both time and money. If you’d rather not do the macro maths yourself, the Keto Dieting app does it for you on Google Play and the App Store.

References

Bueno NB, de Melo IS, de Oliveira SL, da Rocha Ataide T (2013). Very-low-carbohydrate ketogenic diet v. low-fat diet for long-term weight loss: a meta-analysis of randomised controlled trials. British Journal of Nutrition. https://doi.org/10.1017/S0007114513000548
Hyde PN, Sapper TN, Crabtree CD, et al. (2019). Dietary carbohydrate restriction improves metabolic syndrome independent of weight loss. JCI Insight. https://doi.org/10.1172/jci.insight.128308