There was a chef in one of my kitchens who ate the same breakfast for four years straight. Two boiled eggs, one slice of toast, black coffee, standing up by the pass. This was a man who could taste a stock and tell you someone had changed the water filter. He could have eaten anything he wanted, at any hour, for free. He ate eggs.

I used to read that as a failure of imagination. It isn’t. Food mattered so much for the next fourteen hours that breakfast wasn’t allowed to matter at all. It had one job: get him from bed to the first prep list without asking him anything.

Mornings are the part of the day with no walls

Everything else in your day has edges built by other people. Work starts at a time. The meeting is on the calendar. Someone is waiting on you. Mornings, and especially mornings on your own, have none of that. The shape has to come from you or it does not come at all.

That shape is not decoration. Psychologists who study social rhythms, meaning the regularity of when you sleep, eat and see people, keep landing on the same result. Steadier daily timing goes with fewer symptoms of depression and anxiety, and a recent University of Missouri study found older adults with regular routines reported less physical pain and less depression, even when they were sleeping badly. Your body reads consistent timing as information. Toast at seven doesn’t feel like much, but it’s one of the clearest signals you can give your body that the day is underway.

You only get so many decisions before lunch

Habit researcher Wendy Wood found that roughly 43 per cent of what we do each day is repeated in the same setting while our minds are somewhere else entirely. Almost half of your day is going to run on autopilot no matter what you do. The only real choice you get is which half that is.

Breakfast is an excellent candidate. Working out what to eat at seven in the morning is a genuinely fiddly problem involving what is in the fridge, what you had yesterday, and what you are pretending to cut down on. Solve it once, keep the answer, and the first thing your brain does each day is something other than shopping.

Wood’s broader point is that people with impressive self-control are rarely grinding out willpower. They have taken the friction out instead. A fixed breakfast is friction removal in its purest form.

Eating it every day does not ruin it

This is the part that surprised me. Repetition can make food better rather than duller. In a set of experiments led by Kathleen Vohs, people told to follow a small fixed routine before eating, such as unwrapping one half of a chocolate bar before the other, rated it as tastier and worth more money than people who just ate it. The effect held up with carrots. A ritual pulls your attention into the thing in front of you, and attention is most of what flavour actually is.

Which tracks with anyone I have known who is serious about food. They tend to be dull at breakfast and completely unhinged at dinner. There is a woman on my corner in Bangkok who has sold me the same bowl of rice porridge, cooked the same way, for years. Nothing about it is novel. It is still the best ten minutes of most days.

How to pick one you will actually keep

Three rules, learned by getting it wrong.

Choose something you can make half asleep. If it needs a blender, a recipe or a decision, you will have quietly dropped it by Thursday. Mine is coffee and two eggs, arrived at after admitting I was never going to soak oats overnight.

Choose something you like. Obvious, and almost everyone ignores it. People pick the breakfast they have read is optimal, resent it for a fortnight, then give up and blame their discipline. Pick the one you would be pleased to see.

Guard the slot harder than the menu. Consistency of timing does most of the heavy lifting here. Same table, same hour, same first ten minutes counts for more than whether it is eggs or congee.

When it is worth breaking

One honest caveat, because routine can be a good tool and a decent hiding place at the same time. If the sameness has tightened to the point where eating anything else feels stressful, or if it has become a way of avoiding cooking, avoiding company, or eating less on purpose, that is a different conversation and worth having with someone qualified. A routine is supposed to make the rest of your life cheaper to run. If it has started charging you rent, something has gone sideways.

I asked the chef about it once, near the end, when we were winding the business down. He shrugged and said that if he had to think about breakfast, he had already lost an hour of the day.

I have eaten more or less the same thing since. Not because it is optimal, and not because I stopped caring about food. Because there is a real difference between starting your morning and simply waking up inside it, and for me the gap between the two is two eggs and a coffee I never have to think about.