AI meal planning and grocery lists: 32 real cases with prompts
32 source-checked cases of people using AI to plan meals, write grocery lists and cook. Each shows what happened and the prompt.
Part of all 383 Personal cases.
- Order a one-off meal prep delivery with Grok Bot and end up on a recurring subscription by mistake (failure)Recreated promptEvidence: Screenshots or logsFailure
ApoStructura asked Grok Bot to place a one-off meal prep order. Instead, it signed them up for a recurring meal prep subscription, costing £57 ($75) extra. They posted to claim the Grok Bot 'we'll make you whole' guarantee.
Grok Bot · Personal · Source date:
- Plan a nut-free family Christmas dinner that bakes in one oven at one temperature with ChatGPTRecreated promptEvidence: Described by poster
Stephanie M. Morrison was hosting family and asked ChatGPT for a menu with a list of criteria: easy, with some store-bought items and a few simple homemade dishes; dishes that could bake at the same time and temperature in a single oven; no nuts, red meat or anything spicy; traditional enough for a crowd; and something picky kids would try. From several options, Morrison chose roasted orange and cranberry chicken with roasted red potatoes with garlic and parmesan, plus store-bought rolls, salad and dessert. ChatGPT said what to start when so everything finished together, and gave a shopping list. It took 5 minutes, and Morrison says it worked perfectly and was a hit.
ChatGPT · Personal · Source date:
- Cook a week of meals for one from ingredients about to spoil with a Gemini recipe for under $12Recreated promptEvidence: Described by poster
Daniel G. Taylor, who is single and wants to cook once for the week, had beef chunks near their use-by date, soft carrots, sprouting potatoes and half an onion. Taylor listed the ingredients for Gemini with the constraints: feed one person for multiple meals, use pantry staples and need minimal extra shopping. Gemini produced a beef and winter vegetable stew that cost under $12, will feed Taylor for five days and used up food that was heading for the bin.
Gemini · Personal · Source date:
- Cut a family's grocery spend from $400–$500 every few days to $140 a week with a ChatGPT meal planRecreated promptEvidence: Article or interviewBeginner-friendly
When Brooke Ferrier, a parent of two on the NSW Central Coast, and their partner both lost their jobs, Ferrier asked ChatGPT for a low-cost meal plan for two adults and two toddlers, then refined it with follow-ups: hidden vegetables, low-carb options and no lentils. ChatGPT gave one recipe per meal with variations for each person, compared supermarket prices and produced a categorised shopping list with quantities. A week of breakfasts, dinners and snacks came to $140, against the $400–$500 Ferrier had been spending every four or five days, with much less food thrown out. Ferrier also uses it to find recipes for long-forgotten pantry items.
ChatGPT · Personal · Source date:
- Turn long recipe steps into an importable to-do list with a custom GPT so every Thanksgiving dish is on timeRecreated promptEvidence: Described by poster
Amanda Parsons, who has adult ADHD, finds recipes pack too much into one step. While planning Thanksgiving, Parsons asked ChatGPT for help with the cooking schedule, then found it could turn recipes into CSV files for the Todoist to-do app; for the first time, dinner was ready on time and every dish made it to the table as planned. After a chaotic batch of English muffins without it, Parsons built a custom GPT to do the conversion, going through five rounds of tests over an hour until the CSV imported successfully.
ChatGPT · Personal · Source date:
- Plan 15 family meals a week from a recipe library and make the shopping list with Grok BotRecreated promptEvidence: Screenshots or logsBeginner-friendly
After a decade of trying to automate meal planning (a spreadsheet, then a self-built app), the poster now has a custom Grok Bot that plans 15 meals a week for the family. It keeps a library of recipes as Markdown files, makes a printable weekly meal plan and produces a shopping list, which the poster pastes into ChatGPT to fill an Instacart order.
Grok Bot, ChatGPT · Personal · Source date:
- Cook and freeze a vegan red lentil and potato curry from a ChatGPT recipeRecreated promptEvidence: Described by posterBeginner-friendly
The poster asked ChatGPT for an authentic vegan Indian curry with potatoes, red lentils, coconut milk and tomatoes, followed the recipe with a few changes of their own (extra spices, red curry paste, ground cumin in place of seeds), and calls it the best Indian curry. They froze the leftovers in meal-prep containers with rice; the poster says they reheated well over several weeks and the family ate every one.
ChatGPT · Personal · Source date:
- Smoke a spatchcocked Thanksgiving turkey with a two-step temperature guide from GrokRecreated promptEvidence: Screenshots or logsBeginner-friendly
The poster spatchcocked the turkey, dry-brined it with salt and pepper two days ahead, buttered it, then smoked it following a two-step temperature guide from Grok. They say it was their most delicious Thanksgiving turkey yet, and think the guide is what made the difference.
Grok · Personal · Source date:
- Work out a reverse-sear timeline for two prime rib roasts for 25 guests with ChatGPTEvidence: Article or interviewBeginner-friendly
Hosting Friendsgiving for 25, the writer of the AI For Busy Parents newsletter couldn't find recipes for two roasts totalling 14 lb. They gave ChatGPT the weights, the reverse-sear temperatures and the 6 p.m. sit-down time, and in about two minutes got a timeline working backwards, from bringing the roasts to room temperature to pulling them at 120°F, a 500°F crust stage of 8–10 minutes and a final rest. The writer says they felt far more confident, though still a little nervous.
ChatGPT · Personal · Source date:
- Turn fridge photos into dinner recipes with GrokRecreated promptEvidence: Described by posterBeginner-friendly
For the past few meals, a poster has sent Grok photos of what's in his fridge plus a list of what else he has, and says it came back with great recipes; the latest used an ingredient he'd never cooked with and was far tastier than his usual baked potato with butter.
Grok · Personal · Source date:
More meals and groceries cases
- Make a healthy, spicy dinner from whatever's in the fridge with Grok
- Build a family meal-prep system from fridge photos with weekly plans, one grocery list and cost per meal using ChatGPT and Codex
- Check whether leftovers are still safe to eat with Gemini Live
- Recreate copycat Chick-fil-A nuggets with ChatGPT (it missed the breading)
- Plan a week of less starch-heavy meals around local foods and budget with Gemini
- Build a biweekly grocery list on a $175 budget with Gemini
- Build a month's family meal plan around kids' preferences, three stores and a custody schedule with Grok Projects
- Set up a weekly meal plan that ChatGPT agent generates every Monday
- Turn a handwritten family pie recipe into an infographic with Gemini and ChatGPT (it garbled the recipe)
- Turn a set of favourite recipes into a week's meal plan, weekend baking schedule and aisle-sorted grocery list with Grok
- Plan gluten-free, braces-friendly family dinners and calendar invites with a Gemini Gem
- Plan a week of shellfish-free, macro-friendly meals with overlapping ingredients using Grok
- Compare ChatGPT and Gemini for healthy meal ideas and a week of cheap lunches
- Recreate grandma's bread pudding from memory with Grok
- Turn a dinner idea into a Google Keep grocery checklist with Gemini
- Plan seven quick, healthy dinners for two with ChatGPT
- Plan a cheap, healthy week of meals for two with ChatGPT
- Design a 7-day high-protein, low-carb meal plan with Grok
- Plan a taco-night grocery list by voice with Grok in a Tesla
- Plan a gluten-free week of Trader Joe's meals on $125 with ChatGPT
- Plan five days of meals and a $75 grocery list with ChatGPT
- Weekly meal plan, priced grocery list and spreadsheet with ChatGPT agent