How to Pleat a Dumpling: Gyoza Half-Moons, Momo Gathers, and More

Pleating looks like pure decoration, and part of it is — a row of neat, even pleats is one of the most recognisable signs of a well-made dumpling. But pleats also do real structural work: they gather up the extra dough created by folding a flat circle, letting the seam close tightly without a lump of excess dough bunching in one spot. Skip that structural job and you don't just get an ugly dumpling — you get a seam that's more likely to pop open in the pot.

Why folding a circle in half creates extra dough to deal with

Fold a flat circle of dough in half and the two straight edges meet perfectly along the fold, but the curved edge doesn't — there's more material along that arc than a flat seam needs to close cleanly. Pleating takes up that slack in small folds along the curve rather than leaving it as loose, floppy dough. That's the entire mechanical reason pleats exist on a half-moon-folded dumpling like a gyoza.

It also explains why a bigger wrapper needs more pleats, not just bigger ones: the curved edge's length grows with the wrapper's diameter, so there's proportionally more slack to gather no matter how big you go. Run the numbers through the pleat count guide and you can see the pattern directly — an 80mm gyoza wrapper works out to around 6 pleats, a standard 90mm wrapper to about 7, and a larger 110mm wrapper to about 8. The step is small but real, and it's the same reason momo, which gathers dough around a wrapper's entire circumference rather than just one folded curve, needs roughly triple the pleat count of a similarly sized gyoza.

The gyoza half-moon pleat

Hold the filled, half-folded wrapper in one hand with the curved seam facing you. Starting from one end, pinch a small fold of the top layer of dough toward the middle, pressing it against the flat bottom layer to seal. Repeat down the length of the seam — five to seven pleats is typical for a standard-sized wrapper. The bottom layer stays flat, which is exactly what you want, since that flat side is what sits in the pan for the crisp sear in a classic potsticker.

Two habits separate a clean row of pleats from a lumpy one. First, fold every pleat in the same direction — toward the far end of the seam you're working, not alternating — so the finished dumpling has a single consistent ripple instead of a jumbled zig-zag. Second, press firmly enough at each pinch point that the two layers actually bond, not just touch; a pleat that looks sealed but was only lightly pressed is one of the more common reasons a dumpling that looked fine going into the pot opens up once it's cooking.

The momo spiral gather

Momo isn't folded flat at all — the filling sits in the center of a round wrapper, and the dough is gathered upward around it from every direction, twisted into a small pouch at the top. Because the whole circumference needs gathering rather than just a folded curve, momo takes many more small pleats than a gyoza — typically around 19 to 21 on a standard 70mm wrapper. The technique is closer to gathering a drawstring bag than folding a taco: cup the wrapper in one hand, use the thumb and forefinger of the other to draw the edge up and pinch a small fold against the growing gather, and rotate the wrapper slightly between each pinch so the folds spiral evenly around the top rather than bunching on one side.

The final twist at the top matters as much as the gathers below it — give it one firm turn and pinch it closed, rather than just piling the gathered dough together, since an untwisted top is one of the easier places for a momo to come apart in the steamer. Khinkali, the Georgian soup dumpling, uses a related gather-and-twist technique, but with a thicker dough and a deliberately heavier, tougher topknot built to survive holding the whole dumpling by hand.

The empanada repulgue

Empanada's traditional edge, the repulgue, is a rope-like twist rather than a series of small pinches: fold the dough over the filling into a half-moon, then, working from one corner, fold a small triangle of the edge over itself and press down, repeating along the seam so each new fold overlaps the last one by about half its width. The result looks more like a twisted rope than a pleated fan, and because empanada dough is thicker and often fried or baked, this sturdier seal matters more than it would on a thin steamed wrapper — it needs to hold under the pressure of hot oil or a baking oven, not just a gentle simmer. A standard 100mm empanada disc works out to roughly 8 to 10 of these twists worked evenly around the curve.

The pierogi crimp

Pierogi usually skip individual pleats altogether in favor of a firm crimp: press the folded edge closed with your fingers or the tines of a fork, working along the seam in overlapping presses rather than distinct pinches. Because pierogi dough is enriched and a bit more elastic than a plain wheat-and-water dough, it seals well under simple pressure without needing pleats to manage excess material the way a thin gyoza wrapper does. A fork crimp also doubles as a decorative touch and a doneness cue of sorts — the ridges tend to lighten and separate slightly once the dough underneath has fully cooked through in the boiling water.

Folding with either hand, and switching mid-batch

Most pleating instructions implicitly assume a right-handed grip — wrapper in the left hand, pleating with the right — but the mechanics work identically mirrored for a left-handed fold, and there's no structural reason one direction is better than the other. What actually matters for a clean, even result is picking one direction and sticking with it for the whole seam, rather than switching hands or direction mid-pleat, which is what tends to produce that jumbled, inconsistent look more than handedness itself does. If your dominant hand tires partway through a long folding session, it's entirely reasonable to switch which hand holds the wrapper and which one pleats for the second half of a batch — just expect a few pieces of adjustment while you find the same rhythm mirrored.

Sealing without pleats at all

None of the above is mandatory. A dumpling press — a small hinged mold that folds and crimps a filled wrapper in one squeeze — produces a fully sealed, evenly ridged edge without any hand-pleating, and it's a genuinely reasonable way to fold a large batch quickly or to get a consistent seal while you're still building the hand skill. A plain straight crimp, pressed closed with just your fingers and no folds at all, works too for a dumpling headed straight into a hot pan or a gentle boil, provided the seal is complete along its whole length. Pleats add a decorative, recognisable shape and, on some styles, help take up genuine excess dough — but the one non-negotiable job is a fully closed seam, and there's more than one legitimate way to get there depending on how much time you have and how many dumplings you're folding.

Getting an even result

Consistency comes from a consistent starting point more than from folding speed: use the same wrapper diameter and the same portion of filling every time, and mark a mental (or literal) center point on the wrapper before you start folding so your pleats stay evenly spaced. If a batch is coming out uneven, it's very often because the filling amount is drifting piece to piece — go back and check with a scale before assuming the folding technique itself is the problem, since even the most practiced pleating can't compensate for a filling portion that changes size every third dumpling.

Keep unfolded wrappers covered with a damp towel while you work through a batch — exposed dough dries out at the edges within a few minutes, and a dried edge won't seal no matter how carefully you pleat it. The same goes for the filling: keep the bowl covered and close at hand rather than scooping straight from an open container sitting out on the counter, which also matters for food safety if the filling contains raw meat, since it shouldn't sit unrefrigerated for the full length of a long folding session.

Common pleating mistakes and how to fix them

• Pleats pointing in different directions. Almost always a rhythm problem rather than a dexterity one — slow down and consciously fold toward the same end of the seam every time until it becomes automatic.
• A seam that looks sealed but pulls apart when you pick the dumpling up. The layers touched but weren't actually pressed together; go back over a finished seam with a firm pinch along its full length as a final check.
• Too much bench flour keeping the edges from sticking to each other. A light dusting under the wrapper is fine, but excess flour worked into the sealing edge itself acts as a release agent exactly where you need adhesion — wipe the very edge nearly clean before pleating.
• Pleats that were fine going into the pot but opened during cooking. Usually an overfilling problem rather than a folding one — check the filling-to-wrapper ratio before reworking your pleat technique.

Pleating is also one of the few kitchen skills that genuinely improves with pure repetition. The first dozen or so from any new dough or fold style are usually the roughest-looking of a session; by the second or third dozen most home cooks find a rhythm that produces noticeably more even results. For the exact pleat count a given wrapper size calls for across gyoza, momo, empanada, and pierogi, the dumpling reference lays out all four side by side.