Traditional dishes can demonstrate practical ways to build dinners from a small set of affordable, versatile ingredients. This guide explains three techniques, with an example dinner for each and practical notes for using ingredients available in UK supermarkets.
The examples below illustrate individual cooking principles. They are not intended to rank whole national cuisines by cost, and no claim is made about which culinary traditions are cheapest overall.
1. Building a dinner around a staple ingredient
Rice, pasta and bread can form a substantial base for several dinners, with beans, vegetables and flavourings added in smaller quantities.
Representative dinner: koshary
Koshary is an Egyptian dish combining pasta, rice, lentils and chickpeas, layered with a spiced tomato sauce and fried onions. The version described here contains no meat or animal-derived ingredients, but individual sauces and toppings should still be checked.
UK supermarket ingredients
- Rice
- Small pasta shapes, such as macaroni
- Brown or green lentils, dried or tinned
- Tinned chickpeas, or cooked dried chickpeas when time allows
- Tinned tomatoes, onions, garlic and cumin
Substitution: use tinned lentils in place of dried lentils to reduce preparation time, noting that the texture may differ.
Reusing ingredients: a larger batch of lentils or tomato sauce can be cooked once and used across two or three dinners during the week.
Why it works: several filling staple ingredients are combined with one strongly flavoured sauce, rather than relying on a large portion of meat.
Allergen note: contains gluten in the pasta. Check individual product labels, including any ready-made crispy onions or sauces.
2. Using a concentrated flavouring in small quantities
Rather than relying on a large quantity of meat, some dishes use a small amount of a concentrated, salty or savoury ingredient to flavour a larger quantity of grain or noodles.
Example dinner: vegetable rice noodles with fish sauce
This is a simple UK-adapted dinner illustrating the technique rather than a named traditional dish. A small quantity of fish sauce can add savoury depth to rice noodles and vegetables.
UK supermarket ingredients
- Rice noodles
- Fish sauce
- Spring onions and garlic
- Vegetables such as pak choi or spring greens
Substitutions: use soy sauce as a fish-free alternative, noting that the flavour differs. Tamari may be an option where gluten needs to be avoided, subject to the product label.
Why it can offer practical value: fish sauce is used in small quantities, so one bottle can contribute to several dinners. This does not mean it is inexpensive to buy; the practical value comes from using a little at a time.
Why it works: adding a concentrated savoury ingredient gradually allows a small amount to flavour noodles and vegetables.
3. Reusing bread or vegetables across further dinners
Some dishes make purposeful use of bread that has become dry or vegetables that remain safe to eat but need using soon.
Representative dinner: ribollita
Ribollita is a Tuscan soup made by combining stale bread with cannellini beans, cabbage or cavolo nero, and other vegetables.
UK supermarket ingredients
- Dry or stale bread that remains safe to eat; never bread with visible mould
- Tinned cannellini beans
- Cabbage or other vegetables that remain safe to eat but need using soon
- Olive oil and garlic
Substitutions: use butter beans or haricot beans in place of cannellini beans. Use a cooking oil already in the cupboard rather than buying a separate oil.
Reusing ingredients: safe, usable bread and vegetables already in the household can contribute to a further dinner before they are wasted.
Food-safety note: bread becoming dry or hard is a quality change rather than a safety risk. Visible mould is a safety risk, so discard mouldy bread.
Allergen note: bread usually contains gluten. Check any stock cubes and other packaged ingredients.
Why it works: bread thickens a bean and vegetable soup while using an ingredient that might otherwise be discarded.
Applying the three techniques together
- Choose a versatile staple as the base for more than one dinner.
- Use a concentrated flavouring sparingly to add depth.
- Plan a further dinner around safe, usable bread or vegetables that need using soon.
DinnerByDesign's Low Cost filter can help identify suitable dinners, while Plan My Week can organise choices around your household and ingredients.
Frequently asked questions
Can I use this technique without fish sauce?
Yes. Soy sauce can provide savoury flavour, although it tastes different and usually contains gluten. Tamari may be suitable when a gluten-free option is needed, but always check the label.
Is koshary usually vegetarian?
The combination described here contains no meat or animal-derived ingredients. Check any ready-made sauces and toppings because products vary.
Does bread need to be stale for ribollita?
Dry bread works well because it absorbs liquid and thickens the soup. Use bread only while it remains safe to eat, and discard it if there is any visible mould.
Do I need specialist ingredients?
No. The examples can be built from ingredients widely available in UK supermarkets, with the substitutions shown where useful.
Which staple ingredients are easiest to reuse across a week?
Rice, pasta, bread, beans, lentils, tinned tomatoes and versatile vegetables can each contribute to several different dinners.
How can I plan a week around these techniques?
Choose dinners that share a staple ingredient or sauce, use concentrated flavourings in small quantities, and schedule ingredients that need using soon earlier in the week.
Sources and further reading
Related guidance
Understand the wider UK food-cost picture, compare meat cuts when cooking for four, review food-safety guidance or read how dinners are selected.