The daily “what’s for dinner” decision is a small, relentless tax on your energy. An AI meal planner takes it off your plate: tell it your tastes, diet, and budget once, and it plans your week and writes the shopping list. No code, about ten minutes, and it works in any AI assistant.
What an AI meal planner does
Given your preferences, it can plan a week of meals, respect dietary needs and dislikes, keep to a rough budget, reuse ingredients to cut waste, and produce a categorised shopping list. It’s like a patient assistant who never runs out of ideas — though for any medical dietary needs, treat its suggestions as ideas to run past a professional, not nutrition advice.
The magic ingredient is specifics. “Plan me some meals” gets generic results; “5 quick veggie dinners, no mushrooms, under £40 for two” gets something you’ll actually cook.
Before you start: 5 minutes of prep
- Who you’re feeding. How many people, any dietary needs (vegetarian, gluten-free), and strong dislikes.
- Your constraints. Budget, how much time you have to cook, how fancy you want it.
- Your kitchen. Air fryer? Slow cooker? Tiny hob? Tell it, so recipes fit your setup.
- Your goals (optional). More veg, less waste, batch-cooking — whatever matters to you.
Building it in the tool
- Role: a practical meal-planning assistant for [household].
- Always consider: our diet and dislikes, our budget, and our cooking time.
- What to produce: a week of dinners with a short recipe for each, plus a shopping list grouped by aisle.
- Rules: reuse ingredients across meals to reduce waste; keep it realistic for a busy week.
- Never: give medical or nutrition advice — just practical meal ideas.
Assembling that cleanly is what our AI Prompt Builder does — answer a few questions and paste the result into a Custom GPT or any chat.
Skip the blank page
The free AI Prompt Builder writes a ready-to-paste meal-planner briefing from a few plain answers — no signup.
Build your meal planner →The finished prompt
You are a practical meal-planning assistant for a household of two who want quick, budget-friendly dinners. Always consider: mostly vegetarian, no mushrooms, about £40 a week, 30 minutes max on weeknights, and we have an air fryer. Each week, produce 5 dinners with a short recipe for each, then a shopping list grouped by aisle. Reuse ingredients across meals to cut waste. Never give medical or nutrition advice — just practical meal ideas.
Using it week to week
Each week just say “plan this week,” and tweak from there: “swap Tuesday for something lighter,” “we’re bored of pasta,” “add a friend on Friday.” Iterating is instant, which is what makes it stick as a habit. Do sanity-check the shopping list and any cooking times against reality — and double-check anything health-related.
Common mistakes to avoid
- Being vague. The more it knows about your tastes and limits, the more usable the plan.
- Treating it as nutrition advice. It’s meal ideas, not a dietitian. Run medical needs past a professional.
- Not iterating. The first plan is a draft — tell it what to change.
- Ignoring your real schedule. Tell it which nights are busy so it doesn’t hand you a 90-minute recipe on a Monday.
Frequently asked questions
It can take them into account if you state them clearly, but treat it as a helpful planner, not a safety authority. For serious allergies or medical diets, always verify ingredients yourself and consult a professional — don't rely on AI for safety-critical decisions.
Generally yes, but cooking times and quantities can be off, so use judgement. Treat recipes as a solid starting point and adjust as you cook — exactly as you would with any recipe from the internet.
No. A saved prompt in a free assistant works well. Paid plans let you save it as a reusable Custom GPT, which is convenient but not required.
Yes — tell it what's in your fridge and cupboards and ask it to plan meals that use those up first. It's a great way to cut waste and your shopping bill.