Meatless Monday: How to Start (and Keep It Going)

Meatless Monday is exactly what it sounds like: one day a week without meat. It’s been running as a public-health campaign since 2003, and it persists because the design is smart. One fixed day is easy to remember, easy to plan for, and small enough that nobody feels deprived.

Why Monday, and why one day works

Monday works because it’s a natural reset. Research on habit formation consistently shows that “fresh start” moments — new weeks, new months — make behavior change more likely to stick. After a weekend of takeout and barbecue, a plant-based Monday feels like a reset rather than a sacrifice.

One day also matters more than it sounds. If you eat meat at two meals a day, one meatless day removes roughly 100 meaty meals a year. Health bodies like the WHO and AICR recommend limiting red meat to about 350–500 g cooked per week — a single meat-free day gets many people most of the way there. (Curious where you stand? See how much meat per week is too much.)

Your first four Mondays: keep it boring

The biggest beginner mistake is treating Meatless Monday as a cooking challenge. Ambitious recipes on a Monday night are how the habit dies in week three. Instead, start with meals you already know, minus the meat:

Week 1: Pasta with tomato sauce and plenty of parmesan. You’ve made this a hundred times.
Week 2: Bean chili or dal. Same spices as the meat version, cheaper, and it freezes well.
Week 3: Veggie stir-fry with tofu or eggs over rice. Fifteen minutes.
Week 4: Your favorite curry, with chickpeas standing in for chicken.

Notice the pattern: familiar formats, one substitution. Novelty is the enemy of consistency. Save the experimental recipes for when the habit is solid.

Handle the two predictable failure points

Lunch at work. Monday lunch is where most attempts quietly fail, because it’s decided by whatever is nearby. Solve it on Sunday: cook once, pack a portion. Leftover chili from the batch you made is the classic answer.

Forgetting entirely. By Thursday, you honestly can’t remember whether Monday was meatless. This sounds trivial, but it kills motivation — you can’t feel progress you can’t see. A calendar note works; a tracking app works better because it accumulates into a visible streak.

When you miss a Monday

You will. Someone brings pizza with pepperoni, or you travel, or you just forget. The rule that keeps the habit alive: a missed Monday is rescheduled, not failed. Do Tuesday instead, or just resume next week. The habit is weekly meat-free days, not Monday worship.

And when one day starts feeling easy — usually after a month or two — you can add a second day, or let weekday lunches go meatless too. That gentle expansion is how many people drift toward a flexitarian pattern without ever deciding to. If that trajectory appeals to you, my guide on how to eat less meat covers the full method.

Making Mondays count, with cows

I built No Meat Today for exactly this kind of habit. Each evening, Naomi — your personal cow coach — asks “Did you eat meat today?” You tap the “No” planet or the “Yes” planet. Two seconds, done.

Here’s why it fits Meatless Monday well: every full day of meatless meals attracts a Daisy cow to your green planet. One Monday, one new cow. Keep going and the cows fuse into higher forms you unlock along the way — so your Mondays literally add up to something you can look at.

The app solves the forgetting problem too. Set an evening reminder, or just let the app icon on your home screen do the reminding. Missed logging Monday and it’s now Wednesday? You can complete past days later. And if you never expand beyond one day a week, that’s fine — you set your own target diet, and the app judges you by your goal, not by anyone else’s.