Low FODMAP Batch Cooking Guide: Prep a Week of IBS-Safe Meals in 3 Hours

Low FODMAP Batch Cooking Guide: Prep a Week of IBS-Safe Meals in 3 Hours

By Dr. Onikepe Adegbola, MD PhD — Johns Hopkins-trained physician-scientist and founder of Casa de Sante

Key Takeaways

  • Batch cooking is the single most effective strategy for consistent low FODMAP eating — when safe food is already in the fridge, you never resort to trigger foods
  • This plan produces 5 days of lunches and dinners in approximately 3 hours of Sunday afternoon cooking
  • Each component is versatile — mix and match proteins, grains, and vegetables throughout the week to avoid meal fatigue
  • All components freeze well for 2-week+ meal prep if desired

The Sunday Prep Plan

Overview: What You'll Make

  1. 2 lbs seasoned chicken (2 preparations)
  2. 1 lb ground turkey meatballs
  3. Large pot of rice
  4. Roasted vegetable trays (2 types)
  5. Quinoa salad base
  6. Hard-boiled eggs (12)

Shopping List

  • 2 lbs chicken breast or thighs
  • 1 lb ground turkey
  • 12 eggs
  • 3 cups rice (jasmine or basmati)
  • 1 cup quinoa
  • 2 lbs carrots
  • 2 lbs zucchini
  • 2 lbs bell peppers (any color)
  • 1 lb green beans
  • 1 lb potatoes
  • 1 bag spinach
  • Cherry tomatoes, cucumbers, olives
  • Garlic-infused olive oil, regular olive oil
  • Lemons (3-4)
  • Fresh herbs: thyme, rosemary, basil
  • Spices: paprika, cumin, oregano, salt, pepper
  • GF breadcrumbs (for meatballs)
  • Soy sauce or tamari

Step-by-Step (3 Hours)

Hour 1: Start Everything

  1. Oven on 400°F.
  2. Eggs on the stove: 12 eggs in cold water. Bring to boil. Boil 10 minutes. Ice bath. Set aside.
  3. Rice on: 3 cups rice + 6 cups water in rice cooker or pot. Set and forget.
  4. Prep chicken (Batch 1 — Lemon Herb): 1 lb chicken breast, sliced into strips. Toss with 3 tbsp garlic-infused olive oil + juice of 2 lemons + 1 tsp oregano + 1 tsp thyme + salt + pepper. Spread on parchment-lined baking sheet. Into oven.
  5. Prep vegetables (Tray 1): Carrots (cut into sticks) + bell peppers (sliced) + potatoes (cubed). Toss with olive oil, salt, pepper, rosemary. Onto baking sheet. Into oven with chicken.
  6. Make meatballs: 1 lb ground turkey + 1 egg + 1/4 cup GF breadcrumbs + 2 tbsp garlic-infused oil + 1 tsp cumin + 1 tsp paprika + salt + pepper. Form into 20 meatballs. Set aside.

Hour 2: Swap and Continue

  1. Remove chicken and veg tray 1 (should be done ~25-30 min). Set aside to cool.
  2. Chicken Batch 2 — Asian-style: 1 lb chicken thighs, cubed. Toss with 2 tbsp soy sauce + 1 tbsp garlic-infused oil + 1 tsp ginger (grated) + 1 tsp sesame oil. Onto baking sheet. Into oven.
  3. Meatballs onto baking sheet. Into oven alongside chicken.
  4. Vegetables Tray 2: Zucchini (halved lengthwise) + green beans. Toss with olive oil, salt, pepper. Onto baking sheet. Into oven.
  5. Start quinoa: 1 cup quinoa + 2 cups water. Boil, reduce to simmer, cover, 15 minutes.

Hour 3: Assemble and Store

  1. Remove everything from oven.
  2. Make quinoa salad base: Cooled quinoa + diced cucumber + cherry tomatoes + olives + olive oil + lemon juice + salt + pepper + fresh basil.
  3. Portion into containers:
    • 5 containers: rice + lemon chicken + roasted carrots/peppers/potatoes
    • 5 containers: rice + Asian chicken + zucchini/green beans
    • Meatballs in a separate container (versatile: eat with rice, on GF pasta, or in lettuce wraps)
    • Quinoa salad in 3 containers (lunch with hard-boiled eggs on top)
    • Hard-boiled eggs in a bag
  4. Refrigerate Mon-Wed portions. Freeze Thu-Fri portions (thaw in fridge overnight before eating).

Mix and Match Throughout the Week

  • Monday: Lemon chicken + rice + roasted vegetables
  • Tuesday: Meatballs + quinoa salad + hard-boiled egg
  • Wednesday: Asian chicken + rice + zucchini/green beans
  • Thursday: Lemon chicken + quinoa salad + roasted vegetables
  • Friday: Meatballs over rice + mixed roasted vegetables

🛒 Batch Cooking Essentials

  • Digestive Enzymes — Even with perfectly safe home cooking, take enzymes with your meals. Especially important with reheated meals (reheated rice forms resistant starch, which some IBS patients are sensitive to).
  • Whey Protein — A quick shake fills the protein gap on days when your meal prep runs out or you need a snack between prepped meals.

Medical Disclaimer: This article is for educational purposes only. Practice food safety: reheat leftovers to 165°F. Do not keep cooked food in the fridge more than 4 days. Dr. Adegbola is the founder of Casa de Sante.

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