How Much Does Meal Prep Actually Save You?
The average American spends $15.40 per meal eating out, according to the Bureau of Labor Statistics 2025 Consumer Expenditure Survey. A home-cooked meal costs $4.31 on average. That gap — roughly $11 per meal — is where meal prep turns into a financial strategy, not just a cooking habit.
If you eat out for lunch and dinner five days a week, you spend about $154 weekly on restaurant food. Meal prepping those same 10 meals brings your weekly food cost to around $43. That is $111 in weekly savings, or $5,772 per year. Even replacing half your restaurant meals with prepped ones puts $2,886 back in your pocket annually.
Average Cost Per Meal: Prep vs. Eating Out
| Meal Type | Avg Cost/Meal | Weekly (10 meals) | Annual |
|---|---|---|---|
| Eating out | $15.40 | $154.00 | $8,008 |
| Fast casual | $11.50 | $115.00 | $5,980 |
| Meal prep | $4.31 | $43.10 | $2,241 |
| Budget meal prep | $2.50 | $25.00 | $1,300 |
Source: BLS Consumer Expenditure Survey 2025, USDA Food Plans. Need help budgeting your grocery trips? Use the grocery split calculator to divide costs fairly with roommates.
5 Rules for Budget Meal Prep
Saving money on meal prep comes down to ingredient selection and planning, not sacrificing taste. Follow these five rules to keep your cost per serving under $5:
- Buy protein in bulk. Chicken thighs, ground turkey, and dried beans are the cheapest protein sources per gram. A 10-lb bag of chicken thighs at Costco runs about $0.99/lb — that is $0.25 per 4-oz serving.
- Build meals around starches. Rice, pasta, and potatoes cost $0.10–$0.30 per serving and form the calorie base. A 20-lb bag of rice lasts months and costs under $15.
- Use frozen vegetables. Frozen broccoli, spinach, and mixed vegetables cost 40–60% less than fresh and have comparable nutrition. No waste from spoilage either.
- Cook 2–3 recipes per session. Batch cooking two proteins and three sides gives you mix-and-match options all week. Variety prevents meal prep fatigue without increasing cost.
- Track your actual cost per serving. Use this calculator to log your recipes and see the real numbers. Most people overestimate meal prep costs by 30–40% until they measure.
Where Meal Prep Fits in Your Budget
Food is typically the third largest expense after housing and transportation. Under the 50/30/20 budgeting rule, groceries fall into your 50% “needs” category. For someone earning $50,000/year, that means roughly $400–$500/month for food. Meal prepping keeps you well within that target, while eating out pushes food spending into the 30% “wants” bucket — or worse, blows past it entirely.
The math is clear: meal prep is the single highest-ROI habit for anyone trying to save money on a daily basis. A Sunday afternoon spent cooking translates directly into $100+ saved that week. Over a year, that compounds into enough for an emergency fund, a vacation, or a meaningful dent in student loans.