Why You Should Cook From Scratch Every Week (and How to Start)

Is cooking from scratch really worth it?

You've probably typed something like "is cooking from scratch worth it?" into a search bar, and you've gotten a thousand wishy-washy answers. Let me be blunt: yes, it is—and the evidence is stronger than you think. This isn't about becoming a gourmet chef or spending hours in the kitchen. It's about making one deliberate choice: to cook a real meal from scratch at least once a week, starting this week. I'll show you the numbers that back that up, and then I'll tell you exactly how to make it stick.

The case for cooking: it's not just about nutrition

Sure, the nutrition angle is solid. A UK study of over 11,000 adults found that people who ate home-cooked meals more than five times a week consumed 62.3 grams more fruit and 97.8 grams more vegetables daily than those who ate them fewer than three times a week (Mills et al., Int J Behav Nutr Phys Act, 2017). That alone should move you. But here's what's less obvious: cooking is good for your brain and your mood. A Japanese cohort of nearly 11,000 older adults found that cooking from scratch at least once a week was linked to a 23% lower dementia risk in men and 27% in women (Home cooking and dementia, J Epidemiol Community Health, 2026). And a separate study of over 19,000 older Americans found that weekly baking or cooking was associated with reduced odds of depression two years later (Health & Retirement Study, 2022).

But let me be fair: there's a counter-argument. You might say, "I don't have time, and eating out isn't that bad." The time thing? The American Time Use Survey shows that men who cook spend about 50 minutes a day on it, and women about 71 minutes (Ewoldt et al., Current Developments in Nutrition, 2025). That's not nothing, but it's less than an episode of a show. And the "eating out isn't that bad" part? That's where the data gets uncomfortable.

The real problem: what you eat when you don't cook

When you don't cook, you're at the mercy of the food industry. A national study of over 18,000 US adults found that days with fast-food consumption were associated with about 190 extra calories and 297 mg more sodium than days without (An, European Journal of Clinical Nutrition, 2016). Full-service restaurants weren't much better: about 187 extra calories and 412 mg extra sodium per day (An, 2016). And a chemical analysis of dishes in China found that restaurant versions had higher total fat, higher saturated fat, and a higher sodium-to-potassium ratio than the same dishes prepared at home (Jia et al., Public Health Nutrition, 2018).

That's not even counting the cost. In 2023, Americans spent 58.5% of their food dollars on food away from home—the highest share ever recorded (USDA ERS, Oct 2024). And you're paying for labor: about 64 cents of every dollar spent on restaurant food goes to labor costs, versus 46 cents for food at home (USDA ERS, Charts of Note, 2023). So you're paying more for food that's worse for you. That's a losing deal.

Why once a week is enough to start

I'm not telling you to cook every night. That would be unrealistic for most people. But the evidence shows that even a modest bump in cooking frequency makes a difference. In two large US prospective cohorts, eating 11-14 home-prepared meals per week was associated with a 14% lower risk of type 2 diabetes compared to eating 0-6 (Zong et al., PLoS Medicine, 2016). That's roughly two meals a day if you're counting. But even five to seven evening meals a week—that's one a day—was linked to a 15% lower risk (Zong et al., 2016). So you don't need to become a kitchen martyr. Start with one meal from scratch a week. That's the habit that changes everything.

Here's the practical part: choose one meal you already like, and learn to cook it from scratch. For example, instead of ordering takeout spaghetti with meat sauce, buy a pound of ground beef, a can of crushed tomatoes, an onion, and some garlic. Sauté the onion, brown the meat, add the tomatoes, and let it simmer for 30 minutes. That's it. You've just made a dinner that beats anything you'd get delivered, and you spent maybe $10 for four servings. Multiply that by the 58.5% of your food budget you're currently giving to restaurants, and you'll see the savings add up fast.

The mental boost you didn't expect

Beyond the physical health, cooking is a proven mood booster. A study from Edith Cowan University found that a seven-week cooking course produced mental wellbeing gains that lasted six months (Rees et al., Frontiers in Nutrition, 2022). And a smaller study of sourdough bread-making workshops in Berlin found that participants felt more relaxed and less stressed during the sessions, with the sensory experience of aroma, sound, and sight being the key triggers (Zhang, Chmara & Spence, Applied Research in Quality of Life, 2025). You don't need to bake sourdough to get that—just pay attention to the sizzle of the pan, the smell of onions cooking, the bright color of fresh herbs. That's the eudaimonic stuff, the meaningful engagement that makes you feel alive.

But let me address the biggest counter-argument again: "I'm just not good at cooking." That's what I used to think too. The Edith Cowan study found that before instruction, only 23% of men felt confident cooking, compared to 77% of women (Rees et al., 2022). After a short course, men and women were equally confident. So skill is learnable; it's not a fixed trait. And you don't need a course—just start with one simple recipe, and do it until it's routine.

Your first meal: a simple, healthy, cheap recipe

Let's make this concrete. This week, cook this: a sheet-pan chicken and vegetables. Preheat your oven to 400°F. Take two chicken breasts, a bell pepper, a zucchini, and a red onion. Chop the vegetables, toss them with olive oil, salt, and pepper. Place the chicken on top, season with paprika and garlic powder. Roast for 30 minutes. That's it. You've just cooked a meal that's cheaper than takeout, healthier (you control the sodium), and you'll feel a small sense of accomplishment. That feeling is real—it's the confidence boost the studies talk about.

And if you're worried about food waste (which is a real issue: the EPA estimates that wasted food is the single largest category of landfilled material, about 164 pounds per person per year in US households), cooking from scratch lets you use your ingredients fully. You'll buy only what you need, and you'll eat it all. That's better for your wallet and the planet.

So here's my blunt recommendation: cook at least one meal from scratch every week, starting this week. Not because you should, but because the evidence says it will make you healthier, happier, and richer. And once you taste the difference, you might just want to do it twice.

Sources

• Mills et al. (Int J Behav Nutr Phys Act, 2017) - https://ijbnpa.biomedcentral.com/articles/10.1186/s12966-017-0567-y
• Home cooking and dementia (J Epidemiol Community Health, 2026) - https://www.eurekalert.org/news-releases/1120744
• Health & Retirement Study leisure & depression (2022) - https://pmc.ncbi.nlm.nih.gov/articles/PMC8850653/
• An (European Journal of Clinical Nutrition, 2016) - https://pubmed.ncbi.nlm.nih.gov/26130301/
• Jia et al. (Public Health Nutrition, 2018) - https://www.cambridge.org/core/journals/public-health-nutrition/article/differences-in-nutrient-and-energy-contents-of-commonly-consumed-dishes-prepared-in-restaurants-v-at-home-in-hunan-province-china/B07C5952B3C1630F5A2D77D417859A24
• Zong et al. (PLoS Medicine, 2016) - https://pubmed.ncbi.nlm.nih.gov/27379673/
• Rees et al. (Frontiers in Nutrition, 2022) - https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.802940/full
• USDA ERS Amber Waves (Oct 2024) - https://www.ers.usda.gov/amber-waves/2024/october/u-s-consumers-increased-spending-on-food-away-from-home-in-2023-driving-overall-food-spending-growth
• USDA ERS Charts of Note: Food Dollar labor costs (2023) - https://www.ers.usda.gov/data-products/charts-of-note/111258
• Ewoldt et al. (Current Developments in Nutrition, 2025) - https://www.news-medical.net/news/20250905/Men-close-the-cooking-gap-as-home-meal-prep-rises-across-the-US.aspx
• US EPA: Food Waste Facts & Figures - https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/food-material-specific-data