Test students' ability to design a one-week, budget-friendly meal plan for a high-school student that meets specified daily calorie and macronutrient (carbohydrate, protein, fat) targets; require calculation of daily totals and portion sizes, inclusion of breakfast/lunch/dinner/snacks with simple recipes, a weekly shopping list with cost estimates, time-saving prep strategies, affordable substitutions, and justification of choices for nutrition, cost, and adolescent feasibility.