The 3-3-3 rule for meal prep is a simple way to plan a week of meals without overcomplicating it: pick 3 proteins, 3 vegetables, and 3 carbohydrates. You prep and mix-and-match these building blocks into different meals, so you get variety while keeping shopping, cooking, and cleanup manageable.
Start by choosing three options from each category that you genuinely like eating. Then cook them in batches, portion them, and combine them in different ways throughout the week. This approach helps prevent “meal prep burnout” because the base ingredients stay consistent, but the final meals can change day to day.
Examples include chicken thighs, ground turkey, tofu, eggs, salmon, beans, or Greek yogurt (for breakfasts/snacks). Season each protein differently if you want even more variety.
Pick a mix of quick-cooking and raw-friendly vegetables, such as broccoli, bell peppers, zucchini, spinach, carrots, or a salad mix. Roasting a sheet pan of veggies is an easy one-and-done method.
Common picks are rice, quinoa, potatoes, pasta, oats, tortillas, or sweet potatoes. These are flexible bases that pair well with many flavors.
It streamlines grocery shopping, reduces food waste, and makes portions easier to manage. It also supports balanced plates by encouraging a protein + fiber-rich produce + energy source combination, which can make meals more satisfying.
For a deeper breakdown and more meal-prep guidelines, visit the complete meal prep rule guide.
For 3-3-3 Meal Prep Rule: Simple Weekly Plan, the best answer depends on fit, material, care instructions, and how the product will be used day to day.
Most cooked meals keep well for 3–4 days when cooled quickly and stored in airtight containers. If you’re prepping for longer, freeze extra portions and thaw as needed.
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