Who buys this
Households that throw away food every week and still order delivery on Thursday because nobody decided what to cook.
Where to start in Lovable
Paste this into Lovable as the opening prompt. It sets up one screen and one job, which is easier to grow from.
Build a meal planning app. The user sets household size, diet limits, allergies and a weekly budget, then gets a seven day plan where each dinner takes under forty minutes. The app produces one shopping list grouped by supermarket aisle and reuses ingredients across recipes so nothing is bought for a single dish. Swapping one dinner rebuilds only that part of the list. Add a what is in my fridge screen that suggests two dishes from what the user already has.
What you will need to wire up
- Lovable AI Gateway
- Lovable Cloud (Postgres)
- Storage для фото блюд
- Stripe
Build order
- Model ingredients, not recipe text. Store every recipe as a list of ingredient rows with quantity and unit. Only then can the shopping list merge four hundred grams here and two hundred there into one line, which is the whole reason the app beats a note in a phone.
- Treat allergies as a hard filter. Check the final ingredient list against the allergy list in code after generation and drop any recipe that violates it. A prompt instruction is a request, a filter is a guarantee.
- Group the list the way the shop is laid out. Vegetables, dairy, dry goods, frozen. A list in cooking order sends people back and forth across the shop and quietly kills the habit.
- Make the swap cheap. Nobody accepts a full week as given. One swap button per day, regenerating a single dinner within the same ingredient pool, is what turns a demo into a weekly habit.
Where this usually breaks
- Models invent quantities that do not feed the stated household. Scale portions in code from a per person base, never in the prompt.
- Budget estimates go stale and wrong per region. Show a rough range with a visible note instead of a precise total nobody can reproduce at the till.
- Generated recipes repeat within a month and the plan feels dull. Keep a history of used dishes and forbid repeats inside a rolling window.
How it makes money
- Family subscription. One plan for the whole household with a shared shopping list that two phones tick off at the same time.
- Paid recipe packs. Sell curated packs from real cooks as one off purchases, which also solves the sameness of purely generated menus.
Build this on Lovable
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