Storage, Ripening & Handling
The best knife for cutting mango, geometry, blade and grip
Your chef's knife is built for onions, not mangoes. The four knives that actually work, and the cheap one most chefs prefer.
4 min read · published 12 June 2026
Why a chef's knife struggles
A standard 20cm chef's knife has a curved belly designed for rocking through onions and herbs. Mango cuts need a long straight slice, the curve creates a wavy cut that hits the stone unevenly.
Worse, the wide blade is too thick to slip cleanly between flesh and stone, you end up wasting 5-10% of the fruit.
Option 1, a long serrated tomato knife
A 13-15cm serrated tomato knife is the surprise winner. The serrations grip the slippery skin, the straight blade gives a clean slice, and the thin blade slips past the stone cleanly.
This is what many Pakistani households use. Cheap, effective, and forgiving of dull edges.
Option 2, a Japanese petty knife
A 12-15cm petty knife (Japanese paring) is the high-end answer. Thin blade, straight edge, razor sharp, perfect for the stone slip and the hedgehog cubing.
Costs £40-£150 depending on brand. Total overkill but a joy to use.
Option 3, a long thin filleting knife
If you already own a flexible fish-filleting knife, it doubles as a brilliant mango knife. Long, thin, slightly flexible, perfect for the stone-side cuts.
Just clean it well to avoid fishy mango.
The grip rule
Always stand the mango stem-up on a flat board and cut downwards on either side of the flat stone. Never hold the mango in your palm, the slippery skin and soft flesh make slips inevitable.
The board should be damp underneath (a folded tea towel) to prevent sliding.
Frequently asked
- What's the cheapest mango knife that actually works?
- A £10 serrated tomato knife. The serrations grip the skin, the straight edge slices cleanly, and the thin blade slips past the stone.
- Do I need a special mango cutter?
- No, those press-down mango stoners are unreliable on Pakistani varieties because the stone shape varies more than on Tommy Atkins or Kent.
- Should I sharpen my mango knife often?
- Yes, a dull knife slips and bruises the flesh. Sharpen any mango knife to a fine edge before each season.