Thirty plants a week when you cook for one, or for fussy eaters

Cooking for one, the way to thirty plants a week is to buy plants that keep, frozen, tinned and dried, rather than thirty fresh things that go off, and to cook one pot that covers several meals. A single pot of chilli on brown rice can carry eight points on its own.

Thirty is a target from one 2018 study, turned into a points game by dietitians and gut health writers. It is not NHS advice, and what counts as a plant point has the full rules. This page is about making the game work when the shopping is for one person, or for a table where half the plants come back untouched.

Why is thirty plants harder when you cook for one?

Because the shop is built for families. A whole cauliflower, a bag of six peppers and a big bag of spinach are three plants that need eating before the end of the week, and on your own you either eat the same three every night or bin half of them.

The count works the other way. It rewards one of each, not lots of each, so a single cook needs a little of many plants. That suits you, once you stop buying as though you are feeding four.

I don’t love cooking, and you don’t need to either. What works is a small rotation of simple meals you can make on autopilot, and I’ll often make a batch to use across a few meals. Both habits carry plants well.

Which plants keep long enough for one person?

The ones in the freezer and the cupboard. Fresh, frozen, tinned and dried all score the same under the usual convention, and the frozen and tinned versions wait for you.

Then buy fresh in the sizes that suit one: loose onions, a single pepper, a small bag of carrots, a couple of apples rather than a bag. Taking a scoop of frozen berries and a spoon of seeds out of the freezer and cupboard every morning is five or more points for no extra cooking.

How do I get eight points out of one pot?

Make a pot of chilli for four portions. Onion, carrot, a red pepper, a tin of tomatoes, a tin of kidney beans and a tin of lentils is six plants. Serve it on brown rice and that is seven. Garlic, cumin, oregano and black pepper are a quarter each, so the four of them add one more. Eight points, and three portions left over.

Leftovers are where food safety matters most when you cook for one, so here are the rules worth keeping to. Cool the pot and get it into the fridge within one to two hours. Anything you will not eat within 48 hours goes in the freezer in single portions. Defrost a portion in the fridge overnight and eat it within 24 hours of it thawing. Rice is stricter: cooked rice keeps in the fridge for no more than one day and should never be reheated more than once, which is why a single portion pouch or rice cooked fresh is easier when it is only you.

A second pot in a different week, a soup of leek, celery, frozen peas and potatoes with the skins on, is another four plants that the chilli did not use. Two pots, two weeks, and the freezer starts to hold a rotation of its own.

What if the people I cook for are fussy?

Cook a base they will eat and put the extra plants on the table. Plain pasta with a tomato sauce, then bowls of grated carrot, warmed chickpeas, chopped herbs and seeds for each person to add to their own plate. Your count goes up whether or not anyone else’s does.

Blending plants into a sauce works too. A carrot and a handful of lentils cooked down into a tomato sauce count the same as if they were on the plate. It does not teach anyone to like a lentil, so put a few on the side as well and let them be ignored.

With young children, the NHS advice on fussy eating is more patient than most of us manage at six o’clock. It may take lots of attempts before a child accepts some foods. Children learn by copying you, so eating together helps. If a food is refused, do not force it, and do not use food as a reward, because a child can come to think of sweets as nice and vegetables as nasty. Change how you serve something before you give up on it: a child who refuses cooked carrots might enjoy raw grated carrot.

And their count is theirs. You do not need everyone at the table on thirty to get there yourself.

Should I count plants for everyone in the house?

No. Count your own. A household checklist turns into a scorecard that somebody loses, and with children it can turn a meal into an argument. Tick what you eat, keep the shared shopping varied, and let the rest of the table come to it.

The 30 plants a week checklist has a full worked week from ordinary supermarket shelves, and the cheapest way to eat 30 plants goes further into tins and frozen bags. If you are not sure whether plants are the right place to start for you, the which book quiz asks about your week and points you at one thing.

One thing before you build up

Adding a lot of new plants in one week means a lot more fibre at once, and that tends to bring bloating and wind. Adding a few new plants each week gives your gut time to adjust. If you feel bloated regularly, or have bloating with blood in your poo or weight loss you cannot explain, the NHS says to see a GP rather than changing your diet and waiting.