Instructions

  1. Preheat oven to 425Β°F (220Β°C). Brown rice on stovetop: 3 cups dry + 6.75 cups water. Bring to boil, cover, lowest heat, 40 minutes unattended. This produces approximately 9 cups cooked rice β€” 1.5 cups per container for 6 containers, or 1.8 cups for 5 containers.
  2. Pat chicken thighs completely dry. Rub with 2 tbsp olive oil, smoked paprika, garlic powder, and salt. Place skin-side up on a large rimmed sheet pan β€” space between pieces is important for roasting versus steaming. Into oven. Timer 35–40 minutes. Target: 175Β°F (79Β°C) internal at the thickest part away from the bone. Salmonella and Campylobacter are fully destroyed at 165Β°F (74Β°C); the higher target produces better texture from collagen conversion in the thigh.
  3. Toss broccoli florets and sweet potato cubes in remaining 2 tbsp olive oil + salt. Sweet potato is higher carb (20g net carbs/cup) but provides potassium, magnesium, and vitamin A β€” valuable for training recovery. Spread on a second sheet pan. Into oven at the 16-minute mark. Timer 22 minutes.
  4. Chicken out when thermometer reads 175Β°F (79Β°C). Rest 5 minutes on the pan. Vegetables out when sweet potato is fork-tender and edges caramelised. Rice done at 40 minutes β€” remove from heat, leave covered 5 more minutes, then fluff and spread on a wide tray to cool.
  5. Critical cooling step: spread all components on open surfaces for 20 minutes. Hot food in sealed containers creates condensation, makes rice gummy, and raises fridge temperature around neighbouring items. Never seal a hot container.
  6. Weigh components for accuracy. Per container: 1.5 cups cooked brown rice (280 cal), 6oz chicken thigh (315 cal), ΒΎ cup broccoli (40 cal), Β½ cup sweet potato (90 cal). Running total without fat addition: 725 cal, 34g protein. Add 1 tbsp olive oil drizzle per container at serving time (+120 cal) to reach 845 cal.
  7. Label each container with day and calorie count. Refrigerate at 40Β°F (4Β°C). Per USDA FoodKeeper: cooked chicken 4 days, cooked brown rice 4–6 days, roasted sweet potato 4–5 days, roasted broccoli 4–5 days.

Bulking Calorie Notes

Per container without fat addition: approximately 725 calories, 34g protein, 65g carbohydrates, 22g fat. Add 1 tbsp olive oil at serving to reach 845 calories. Add ΒΌ cup shredded cheese for an additional 110 calories and 7g protein.

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The fat is best added at eating time β€” stored containers without extra oil maintain better texture over 4 days. The calorie addition (olive oil drizzle, cheese, nuts) is a serving-time decision, not a prep-time one.

Weigh your chicken portions β€” thigh sizes vary significantly in a package. 6oz cooked is the target portion for a bulking container. A kitchen scale eliminates guesswork and ensures consistent macros across all five containers.

Per USDA FoodKeeper: cooked chicken 4 days at 40Β°F (4Β°C). Cooked brown rice 4–6 days. Roasted sweet potato 4–5 days. Label everything with the cook date.

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Why Bone-In Chicken Thighs Are the Best Bulking Protein

Bone-in chicken thighs at $1.99–$2.49/lb are the highest-value calorie-dense protein for meal prep bulking for three reasons: cost, moisture retention, and calorie density. At 210 calories per 3oz versus chicken breast's 140 calories per 3oz, thighs deliver 50% more calories from the same weight of protein β€” critical when you're trying to hit 3,200 calories without eating enormous volumes of food. The fat content (9–10g per 4oz) also prevents the dry, rubbery day-4 texture that plagues chicken breast in meal prep.

The skin is a legitimate bulking tool, not something to remove. Bone-in skin-on thighs roasted at 425Β°F (220Β°C) produce 30–40 additional calories from the skin's fat content per thigh. Over five days of lunches and dinners, that's an additional 300–400 calories from a zero-effort source. For someone trying to hit 3,200 calories daily, this matters.

Sweet Potato vs White Potato in Bulking Prep

Sweet potatoes (90 cal per Β½ cup cooked, 20g net carbs) versus white potatoes (70 cal per Β½ cup, 15g net carbs) β€” both are appropriate for bulking prep because the carbohydrate target is high rather than restricted. The advantage of sweet potato: 438mg potassium per Β½ cup and 6mg iron, both depleted during hard training. For athletes training 4+ days per week, the micronutrient profile of sweet potato makes it the better choice despite the slightly higher carb count.

White potato is cheaper (approximately $0.50–$0.70/lb versus $0.80–$1.20/lb for sweet potato) and has a lower glycemic index than commonly thought when eaten cold (as in a meal prep container) β€” the starch partially retrograde during refrigeration, slowing glucose release. Both work in this recipe; the choice is nutritional preference and cost.

The Olive Oil Calorie Addition β€” How to Do It

The most efficient calorie addition in bulking prep: 1 tablespoon of extra virgin olive oil added to a container at eating time adds 120 calories and 0g carbohydrates, 0g protein. It requires no preparation. The oil also helps fat-soluble vitamins (A, D, E, K) in the broccoli and sweet potato absorb properly β€” there's a functional benefit beyond the calories. Store a small bottle of good olive oil at your desk or in your bag for work lunch days. Add it cold over the container before microwaving β€” it distributes through the food during reheating.