Can AI plan my holiday dinner menu and cooking schedule?

Yes. Give it your guest count, diets and oven space, and it builds a menu, a shopping list and a timeline that gets everything to the table hot at the same time.

Verdict: Bot · AI does it well✓ Tested 2 times in Llama 3.3 70B · Nov 10, 2026Written for ChatGPT, Claude or Gemini

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Bot

01Why bot

  • Scaling recipes and counting portions is simple math AI handles well.
  • It works backward from dinner time to build an oven and prep schedule.
  • It plans around allergies and diets when you list them.
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02The prompt

Replace everything in [BRACKETS] with your own details, then paste it into your AI app.

prompt.txt
You are a holiday meal planner who has cooked many big family dinners.

Holiday and dinner time: [HOLIDAY, TIME WE EAT]
Guests: [NUMBER OF ADULTS AND KIDS]
Allergies and diets: [LIST, OR NONE]
Kitchen: [NUMBER OF OVENS, STOVETOP BURNERS]
Budget and dishes guests are bringing: [$ BUDGET, DISHES]

Your task: plan the menu and the cooking schedule.

Rules:
- MUST give exact quantities scaled to my guest count.
- MUST label every dish that contains a listed allergen.
- MUST include safe thawing and cooking temperatures for any meat.
- NEVER schedule more oven dishes at once than my ovens can hold.
- If anything is missing, ask me up to 3 short questions first.

Give me, in this order: the menu, a shopping list grouped by store section, and a timeline from 3 days before to serving time.

03Steps

  1. Count guests and ask about allergies a week ahead.
  2. Fill in the brackets and paste the prompt into your AI app.
  3. Print the timeline and start thawing on the day it says.

04What can go wrong

  • Check cooking temperatures against the USDA safe-temperature chart; don't rely on AI alone.
  • Read allergen labels on every packaged ingredient yourself.

05What to use

Any major AI chat app: ChatGPT, Claude or Gemini. The free tier works.

06Our test runs

2 runs, each with a different made-up sample. 0 of 2 passed every check.

Run 1 · Llama 3.3 70B · graded by GPT-OSS 120BOct 14, 2026Failed

The made-up sample:

  • [HOLIDAY, TIME WE EAT]Thanksgiving, 5:30 PM
  • [NUMBER OF ADULTS AND KIDS]8 adults and 4 kids (12 people total)
  • [LIST, OR NONE]Gluten‑free, Peanut allergy, Vegetarian, Dairy‑free
  • [NUMBER OF OVENS, STOVETOP BURNERS]2 ovens, 4 stovetop burners
  • [$ BUDGET, DISHES]$400, Guests are bringing cranberry sauce, pumpkin pie, green‑bean casserole, and dinner rolls
  • Must give exact quantities scaled to guest count
  • Must label every dish that contains a listed allergen
  • Must include safe thawing and cooking temperatures for any meat
  • Never schedule more oven dishes at once than ovens can hold
  • Made up details we never gave it

Details it made up: “#### 3 Days Before (Tuesday):”, “#### 2 Days Before (Wednesday):”, “#### 1 Day Before (Thursday):”, “#### Thanksgiving Day (Friday):”, “1 turkey (12-14 lbs)”

What came back (excerpt):

To plan a safe and enjoyable Thanksgiving dinner for your guests, I've created a menu that accommodates all the listed dietary restrictions and allergies.
Read the full answer
To plan a safe and enjoyable Thanksgiving dinner for your guests, I've created a menu that accommodates all the listed dietary restrictions and allergies.

### Menu:
1. **Roasted Turkey** (contains Gluten) - 1 turkey (12-14 lbs), brined and roasted.
2. Vegetarian Stuffed Portobello Mushrooms (Gluten-free, Dairy-free) - 12 large mushrooms filled with a mixture of sautéed spinach, garlic, and gluten-free breadcrumbs.
3. **Mashed Potatoes** (contains Dairy) - 4-5 large potatoes, mashed with dairy-free milk alternative for the dairy-free guests.
4. **Gravy** (contains Gluten) - Made from turkey drippings and gluten-free flour for a gluten-free version.
5. Roasted Carrots (Gluten-free, Dairy-free) - 2 bunches of carrots, peeled and roasted with olive oil, salt, and pepper.
6. **Green Bean Casserole** (contains Gluten, Dairy) - Provided by guests.
7. **Dinner Rolls** (contains Gluten) - Provided by guests.
8. Cranberry Sauce (Gluten-free, Dairy-free) - Provided by guests.
9. **Pumpkin Pie** (contains Dairy, Gluten) - Provided by guests.

### Shopping List (Grouped by Store Section):
- **Produce:**
  - 2 bunches of carrots
  - 12 large portobello mushrooms
  - 1 bag of fresh spinach
  - 4-5 large potatoes
  - Fresh herbs (thyme, rosemary, sage)
- **Meat Department:**
  - 1 (12-14 lbs) whole turkey
- **Dry Goods:**
  - Gluten-free breadcrumbs
  - Gluten-free flour
- **Dairy Alternatives:**
  - Dairy-free milk
- **Pantry:**
  - Olive oil
  - Salt
  - Pepper
  - Garlic
- **Miscellaneous:**
  - Cooking spray

### Timeline from 3 Days Before to Serving Time:
#### 3 Days Before (Tuesday):
- **Morning:** Purchase the turkey and store it in the refrigerator at a temperature of 40°F (4°C) or below to thaw.
- **Afternoon:** Prepare the brine for the turkey (using gluten-free ingredients).

#### 2 Days Before (Wednesday):
- **Morning:** Place the turkey in the brine, ensuring it's covered and refrigerated at 40°F (4°C) or below.
- **Afternoon:** Prepare the gluten-free stuffing mixture for the portobello mushrooms.

#### 1 Day Before (Thursday):
- **Morning:** Remove the turkey from the brine, pat it dry, and let it sit in the refrigerator uncovered to dry the skin.
- **Afternoon:** Peel and chop the potatoes, carrots, and other vegetables. Store them in separate containers in the refrigerator.

#### Thanksgiving Day (Friday):
- **9:00 AM:** Preheat one oven to 325°F (165°C). Place the turkey in the oven, using a meat thermometer to ensure the internal temperature reaches 165°F (74°C). Cooking time will be approximately 4-4.5 hours for a 12-14 lbs turkey.
- **11:00 AM:** Prepare the roasted carrots and portobello mushrooms. Place them in the second oven at 425°F (220°C) for about 20-25 minutes, or until the carrots are tender and the mushrooms are cooked through.
- **12:00 PM:** Boil the potatoes until they're tender, then mash with dairy-free milk alternative.
- **1:00 PM:** Prepare the gluten-free gravy using the turkey drippings and gluten-free flour.
- **2:00 PM:** Warm the green bean casserole and dinner rolls in the ovens if necessary, ensuring not to overcrowd the ovens.
- **4:00 PM:** Final preparations, including setting the table and reheating any dishes as needed.
- **5:30 PM:** Serve the Thanksgiving dinner.

Please note, all dishes containing allergens are labeled, and care has been taken to avoid cross-contamination with peanuts and to accommodate gluten-free, dairy-free, and vegetarian requirements.

The answer fails to provide exact quantities and mislabels allergens.

Run 2 · Llama 3.3 70B · graded by GPT-OSS 120BNov 10, 2026Failed

The made-up sample (a messier one):

  • [HOLIDAY, TIME WE EAT]Thanksgiving, dinner at 5:30 pm (we usually start a bit later if traffic is bad).
  • [NUMBER OF ADULTS AND KIDS]12 adults and 4 kids (ages 3, 6, 9, and 12).
  • [LIST, OR NONE]Peanut allergy (Mom), gluten‑free (Dad), vegetarian (cousin), dairy‑free (niece).
  • [NUMBER OF OVENS, STOVETOP BURNERS]1 oven, 4 stovetop burners.
  • [$ BUDGET, DISHES]$800 budget; guests bringing: Aunt Linda – green bean casserole, Uncle Joe – pumpkin pie, cousin Maya – cranberry sauce, neighbor Sam – fresh rolls.
  • Must give exact quantities scaled to guest count
  • Must label every dish that contains a listed allergen
  • Must include safe thawing and cooking temperatures for any meat
  • Never schedule more oven dishes at once than ovens can hold
  • Made up details we never gave it

Details it made up: “2 turkeys (12-14 lbs each)”, “16 mushrooms”, “12-16 large potatoes”, “Portobello mushrooms (16)”, “Fresh herbs (for seasoning)”

What came back (excerpt):

### Menu To accommodate the guests' dietary restrictions and preferences, the menu will include: 1.
Read the full answer
### Menu
To accommodate the guests' dietary restrictions and preferences, the menu will include:
1. **Turkey** (contains: gluten, note: use gluten-free seasonings) - 2 turkeys (12-14 lbs each) to ensure enough meat for everyone.
2. Vegetarian Stuffed Portobello Mushrooms (contains: dairy, note: can be made dairy-free by substituting cheese with a dairy-free alternative) - 16 mushrooms.
3. Mashed Potatoes (contains: dairy) - 12-16 large potatoes.
4. Roasted Carrots - 4 bunches.
5. Green Bean Casserole (provided by Aunt Linda, assumed to contain gluten and dairy, please confirm) - 
6. Cranberry Sauce (provided by cousin Maya, assumed to be gluten-free, dairy-free, and peanut-free, please confirm) - 
7. Pumpkin Pie (provided by Uncle Joe, assumed to contain gluten and dairy, please confirm) - 
8. Fresh Rolls (provided by neighbor Sam, assumed to contain gluten, please confirm) - 
9. Gravy (can be made gluten-free) - 
10. Salad with dairy-free dressing (for dairy-free and vegetarian options).

### Shopping List
Grouped by store section:
- **Produce**:
  - Portobello mushrooms (16)
  - Carrots (4 bunches)
  - Potatoes (12-16)
  - Fresh herbs (for seasoning)
  - Lettuce and other salad greens
- **Meat/Poultry**:
  - 2 turkeys (12-14 lbs each)
- **Dairy/Dairy Alternatives**:
  - Milk (for mashed potatoes, or dairy-free milk alternative)
  - Butter (or dairy-free spread)
  - Cheese (for vegetarian stuffed mushrooms, or dairy-free cheese alternative)
- **Canned Goods**:
  - Vegetable broth (for gravy, ensure gluten-free)
- **Pantry**:
  - Gluten-free flour (for gravy thickening)
  - Olive oil
  - Salt
  - Pepper
  - Sugar
  - Spices (e.g., sage, thyme)
  - Dairy-free dressing for salad
- **Miscellaneous**:
  - Fresh flowers or a centerpiece for the table

### Timeline
#### 3 Days Before Thanksgiving
- **Thawing Turkeys**: Place turkeys in the refrigerator to thaw. Ensure they are in a leak-proof bag on the middle or bottom shelf to prevent cross-contamination.
- **Preparation**: Start preparing ingredients that can be made ahead, like chopping herbs or making the dairy-free dressing.

#### 2 Days Before Thanksgiving
- **Vegetarian Stuffed Mushrooms Preparation**: Prepare the filling for the mushrooms, using dairy-free cheese if necessary. Store in the refrigerator until the day of cooking.
- **Gravy Preparation**: Make the gluten-free gravy base (using vegetable broth and gluten-free flour) and store it in the refrigerator.

#### 1 Day Before Thanksgiving
- **Mashed Potatoes Preparation**: Boil and mash potatoes. Add dairy or dairy-free milk and butter/spread. Refrigerate or freeze until the day of serving.
- **Salad Preparation**: Prepare the salad ingredients, excluding the dressing. Store in the refrigerator.

#### Thanksgiving Day
- **9:00 AM**: Start cooking the turkeys. Preheat the oven to 325°F (160°C). Place the turkeys in the oven, allowing about 20 minutes per pound, or until the internal temperature reaches 165°F (74°C). Rotate the turkeys halfway through cooking to ensure even browning.
- **11:00 AM**: Prepare the roasted carrots. Toss with olive oil, salt, and pepper. They can be roasted in the oven with the turkeys, if space allows, or on the stovetop.
- **1:00 PM**: Start reheating the mashed potatoes on the stovetop or in the oven, if space is available.
- **2:00 PM**: Finish preparing the vegetarian stuffed mushrooms. Fill the mushrooms with the prepared filling and place them in the oven (if space allows) or cook on the stovetop.
- **3:00 PM**: Reheat the gravy on the stovetop.
- **4:00 PM**: Set the table. Arrange the fresh rolls, green bean casserole, cranberry sauce, and pumpkin pie.
- **4:30 PM**: Final preparations. Ensure all dishes are ready to be served.
- **5:30 PM**: Serve dinner.

Before proceeding, I have a few questions to ensure the meal is perfectly planned:
1. Can you confirm the ingredients used in Aunt Linda's green bean casserole, Uncle Joe's pumpkin pie, and neighbor Sam's fresh rolls to ensure they meet the dietary requirements?
2. Would you prefer the vegetarian stuffed mushrooms to be made with dairy-free cheese to accommodate the dairy-free requirement?
3. Are there any other activities or traditions that need to be considered in the timeline, such as watching football or taking a group walk?

The answer lacks precise scaled quantities and clear allergen labeling.

How each run works: we fill the prompt with a made-up sample, run it once in Llama 3.3 70B, and GPT-OSS 120B grades the answer against the prompt's own rules. Word limits are counted by code, and every quote flagged as made up is checked against the full answer. Your results can differ. How we test.

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