Try this 4-week meal plan with a sampling of meals you can mix and match all week long to get started with your clean eating, muscle-building diet. Each day you will eat: breakfast, snack, lunch, snack, dinner. SEE ALSO: The Build Muscle, Stay Lean Meal Plan WEEK 1. BREAKFASTS. Cereal with milk and berries: 1 cup of Whole Grain Cereal Jul 07, 2021 · The Lean-Muscle One-Week Meal Plan. The following plan is designed for a person weighing 140 pounds. When trying to gain lean muscle during a rigorous exercise program, a good rule of thumb is to shoot for an intake of about 13-15 calories per pound of bodyweight, so adjust up or down depending on your weight. The basics of our lean-mass meal plan sum up what you’ve just learned. As far as portion size goes, the diet delivers a roughly equal amount of protein and carbs for most meals. You’ll eat six times per day to supply your body with critical nutrients, especially aminos, for driving muscle growth, and meal timing focuses around workouts and ...