The Math Behind Meal Prep: How Cooking Once Saves $200-400 Per Month

The average American eats out or orders delivery for 5.9 meals per week. At $15 per meal (including tip and delivery fees), that is $88.50 per week or $4,602 per year. The same meals prepared at home cost roughly $4-5 per serving — $23.50-29.50 per week or $1,222-1,534 per year. The annual savings: $3,000-3,400 per person. For a couple, that is $6,000-6,800 per year — enough for a vacation, a car payment, or a meaningful investment contribution.

The Meal Prep Multiplier

Cooking individual meals at home saves money. Meal prepping — cooking 4-5 meals at once on Sunday — saves money and time. A batch of chicken stir-fry takes 45 minutes to make 5 servings. Cooking the same thing 5 separate times would take 3+ hours across the week. The per-meal time investment drops from 35-40 minutes to about 9 minutes. Over a month, batch cooking saves 8-12 hours of cooking time compared to making individual meals.

The grocery math works even better at scale. A 5-pound bag of chicken breasts costs less per pound than individual breasts. A large bag of rice costs half the per-serving price of individual boxes. Buying vegetables in bulk and prepping them all at once eliminates the waste that happens when you buy fresh produce with good intentions and watch it rot because you did not cook fast enough.

The Real Numbers for a Week

Sunday prep session: 5 servings of chicken rice bowls ($2.40 each = $12 total), 5 servings of pasta with meat sauce ($1.80 each = $9), 5 breakfast burritos ($1.50 each = $7.50). Total grocery cost: about $28.50 for 15 meals. Total time: 2.5 hours of cooking plus 30 minutes of cleanup. Cost per meal: $1.90. The same 15 meals eaten out at $12-18 each would cost $180-270. You saved $150-240 in one Sunday afternoon.

Track what you are spending per serving with our unit price calculator to compare grocery store options, and plan your macros with our macro calculator to make sure your meal prep hits your nutrition targets.