How to scale a recipe up or down without ruining it
A short, plain guide to how to scale a recipe, and a tested bot that does the job with your real inputs.
Unofficial, not affiliated with any recipe site, cookbook, kitchen scale or appliance brand, OpenAI, Anthropic or xAI.
What you need
- The recipe as written, pasted or typed
- How many servings you need, or the pan size you have
- Your units: cups, grams, ounces, or a kitchen scale
How to do it
- Gather the inputs above in one place.
- Paste them into Portionly in ChatGPT, Claude or Grok.
- Read every step it shows. Fix any input that looks wrong and run it again.
- Check salt, leavening and bake times when you scale big, and taste as you go.
Questions
How do you scale a recipe up?
It depends on your own numbers and the current rules. Portionly works it out from what you paste in and shows each step, so you can check it. Check salt, leavening and bake times when you scale big, and taste as you go.
How do you cut a recipe in half?
It depends on your own numbers and the current rules. Portionly works it out from what you paste in and shows each step, so you can check it. Check salt, leavening and bake times when you scale big, and taste as you go.
Do you double baking time when doubling a recipe?
It depends on your own numbers and the current rules. Portionly works it out from what you paste in and shows each step, so you can check it. Check salt, leavening and bake times when you scale big, and taste as you go.
People also search for
- recipe scaler calculator
- how to double a recipe
- how to halve a recipe with 3 eggs
