Lentil and vegetable soup
A hearty and nutritious soup made with lentils and a variety of vegetables, perfect for a comforting meal.
Allergens: contains celery, cereals containing gluten. Brands differ, so always check the labels on what you buy.
Per serving (approx.): 40g carbs · 6g sugars · 7g fibre. Diabetes-friendly: no added sugar, 45g carbs or less and plenty of fibre per serving. Estimates for carb counting, not medical advice. If you have diabetes, follow your GP or dietitian's advice.
Not every ingredient has a checked price at Aldi, Lidl, Asda, Morrisons, Iceland, so they aren't compared here.
Ingredients and prices
Swipe the table to see every supermarket.
| Ingredient | Tesco | Sainsbury's |
|---|---|---|
| Green lentilspack 500g · use 200g | £1.45 | £1.45£0.58 per 100g |
| Carrotspack 1kg · use 2 medium | £0.55£0.11 per 100g | £0.35500g |
| Onionspack 1kg · use 1 medium | £1.00£0.33 each | £0.95£0.32 each |
| Celerynot compared | – | £0.69 |
| Tomatoesnot compared | – | – |
| Vegetable stock cubepack 100g · use 1 cube | £1.00£0.10 per 100g | £1.10£1.10 per 100g |
| Basket total (full packs) | £4.00 | £3.85 |
Not compared (a price wasn't found at every shop, so it isn't in the totals): Celery, Tomatoes.
Prices checked on 3 October 2026 from each supermarket's own listing or a price-comparison site. Each shop's unit price (or pack size) is shown under its price, and "cost of what this recipe uses" compares like with like (tap a price to see its source). Cheapest in each row is ticked. Prices, offers and pack sizes change; loyalty-card prices are not included unless stated.
You'll also need (from the cupboard): 1 tbsp vegetable oil, salt and black pepper, lemon juice (optional), sugar (optional), fresh parsley (optional), olive oil (optional).
Method
The method is written for 4. For a different number, use the amounts in the table above.
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Nothing wasted: your leftover ingredients
Supermarkets sell set pack sizes, so you'll have some ingredients left. Here's how to keep them, and other recipes here that use them up.
- Green lentils · about 300g left
Dried: keep sealed in the cupboard for months. Opened tins: move to a covered container in the fridge, use within 2 days, or freeze. Use it in: Cheap UK family meal: Lentil and vegetable soup.
Storing leftovers
Cool leftovers and put them in the fridge or freezer within 1–2 hours. Eat fridge leftovers within 2 days, or freeze them. Defrost in the fridge and reheat only once, until steaming hot all the way through (Food Standards Agency guidance).