Hit 0.8g of protein per lb bodyweight
Split it across 3–5 meals of 30–50g each. This is the single biggest lever for building and keeping muscle while you train.

Nutrition
Four rules and a small handful of meals covers 90% of what most lifters need. Master these and you won't need another diet again.
Split it across 3–5 meals of 30–50g each. This is the single biggest lever for building and keeping muscle while you train.
Half the plate vegetables, a palm of protein, a fist of carbs, a thumb of fats. Works for cutting, gaining or maintaining without counting calories.
A 180 lb athlete needs about 90 oz of water daily — more if you sweat a lot. Add a pinch of salt to your first glass after training.
Put your biggest carb meal in the 3-hour window after lifting. Keep protein steady the rest of the day; add carbs based on how hard you're training that week.

Simple, batch-cookable, and easy to scale up or down. Aim for two of these a day and one flex meal.
Grilled chicken, jasmine rice, black beans, salsa, lime.
Oats, Greek yogurt, whey, berries, chia seeds.
Salmon, sweet potato, broccoli, olive oil, lemon.
Sirloin, three eggs, sourdough toast, avocado.