Guides
AI recipe tests, recipe fixes, and iPhone app comparisons
We build Sous Chef, an iPhone app that edits the recipe itself instead of just filing it away. That gives us an opinion, so these guides say plainly where another app is the better buy. Capability and pricing claims link to the maker's own site, and each page carries the date we last checked it.
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Comparison
The best recipe organizer apps for iPhone in 2026
A first-party-verified comparison of Paprika, Recipe Keeper, Crouton, Pestle, Mela, and Sous Chef — what each one actually does and who should buy it.
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Comparison
The best Paprika alternatives for iPhone
Paprika still does meal planning and grocery lists better than almost anything. Here's who should switch anyway, and which app to switch to.
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Comparison
Sous Chef vs. Recipe Keeper — which kind of recipe app do you need?
Recipe Keeper stores, plans, and syncs a household's recipes across every platform. Sous Chef changes one recipe and keeps the original. Here's how to pick.
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How-to
How to import a recipe from a website on iPhone
Three ways to get a recipe off a website and into an app on iPhone, plus why some pages import cleanly and others fail outright.
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How-to
How to scale a recipe up or down without ruining it
Multiplying the ingredient list is the easy part of scaling a recipe. Pan size, cooking time, salt, and leaveners don't move in a straight line with it.
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How-to
Cups to grams and °F to °C — how to convert a whole recipe
A cup is volume and a gram is mass, so no single number converts them. Here's how to convert a US recipe to metric (or back) without wrecking it.
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Explainer
How to substitute an ingredient without breaking the recipe
A substitution chart tells you what to use instead. It never tells you the quantity, or the step two lines down that stops making sense.
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How-to
How to make a recipe vegetarian without rewriting it yourself
Most dishes convert well, some become a different (still good) dish, and a few just get replaced. How to identify what the meat was doing and replace it.
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Comparison
The best AI recipe apps and cooking assistants for iPhone
On the App Store, "AI recipe app" means five different things — here is how to tell a generator from an editor before you download one.
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Explainer
Are ChatGPT recipes any good? How to check, fix, and cook them
ChatGPT recipes are great for riffing on a technique and risky for baking ratios and food safety. Here's how to tell which one you're getting.
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Explainer
ChatGPT vs. Claude vs. Gemini for recipes: five real tests
We gave GPT-5.4, Claude Sonnet 5, and Gemini 3.7 Flash the same five recipe tasks. Here is what they handled, missed, and cannot prove.
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How-to
Can ChatGPT scale a recipe correctly? We tested GPT-5.4
GPT-5.4 handled the 2.5x arithmetic, pot size, and timing caveats—but contradicted itself on one ingredient. Here is the check every scaled recipe needs.
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Explainer
Can ChatGPT write baking recipes? Three AI muffin formulas compared
GPT-5.4, Claude Sonnet 5, and Gemini 3.7 Flash produced plausible blueberry muffins—but very different formulas. Here is what to check before baking.
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Explainer
Can ChatGPT substitute ingredients without breaking a recipe?
ChatGPT can suggest useful ingredient swaps, but a good answer must also adjust quantities, methods, texture, allergens, and safety-critical steps.
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Explainer
Can ChatGPT make a recipe from a photo of your fridge?
ChatGPT can use a fridge photo to brainstorm dinner, but it cannot reliably read every label, quantity, expiry date, or safety detail. Use this workflow.
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Explainer
Can AI detect a bad recipe? What ChatGPT can catch—and miss
AI can find missing ingredients, inconsistent yields, and vague steps, but it cannot prove a recipe is tested, delicious, allergy-safe, or safe to preserve.
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How-to
The best ChatGPT prompts for adapting a recipe you already trust
Copy these prompts to scale, substitute, convert, or simplify a recipe without asking ChatGPT to invent the whole thing from scratch.
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How-to
How to save ChatGPT recipes on iPhone without losing your edits
Turn a ChatGPT recipe into an organized ingredient list and method on your iPhone, then keep scaling, substitution, and dietary edits together.
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How-to
Does cooking time change when you double a recipe?
Doubling ingredients rarely means doubling cooking time. Use food depth, pan count, airflow, reduction, and doneness to choose a better checkpoint.
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How-to
How to halve a recipe with one egg — and other awkward amounts
Whisk and weigh half an egg, then use this table for halving 1/3 cup, 3/4 teaspoon, one can, and other awkward recipe amounts.