Pato en Pipián Verde (Duck in Green Pumpkin Seed Sauce)

Pato en pipián verde is a Mexican duck dish centred on a smooth green sauce made from toasted pumpkin seeds, tomatillos, green chilli, garlic and fresh coriander. Pipián sauces are valued for their nutty body as much as their flavour: the seeds thicken the sauce naturally, giving it a rich, clinging texture without heaviness. Here, slowly simmered duck legs bring depth and savoury richness, while tomatillo and lime keep the sauce bright. It is best served hot with plenty of sauce spooned over, alongside rice, tortillas or simple vegetables to catch every bit of the pipián.
Recipe by JustRecipes Editorial Team
Content validated: August 2026 How we create recipes
Made this recipe? Rate it
Cuisine style Mexican home-style cooking
Flavor profile Nutty • Tangy • Savoury
Spice level Medium
Techniques Gentle simmering • Seed toasting • Blending
Key equipment Large pot • Blender • Frying pan
Time commitment Under 2 hours

Why this recipe works

  • Seed-thickened sauce: Toasted pumpkin seeds give the pipián its natural body, nutty flavour and smooth, coating consistency.
  • Richness with lift: Tomatillos and lime cut through the richness of the duck and seeds, keeping the sauce bright rather than heavy.
  • Depth from the cooking liquid: Blending the sauce with hot duck cooking liquid ties the pipián to the meat and adds savoury depth.

Get the most out of this recipe

Adjust the heat

  • For gentler heat: Remove the seeds and membranes from the green chillies before blending, or use a smaller amount.
  • For more heat: Keep the chilli seeds in the sauce, or add a little more green chilli before blending.
  • Keep the sauce rounded: If the heat feels sharp, a little extra lime and careful seasoning will help bring the sauce back into balance.

Texture tips

  • For a silkier pipián: Blend the sauce thoroughly, then pass it through a sieve before simmering if you want a finer finish.
  • Control the thickness: Simmer until the sauce coats the back of a spoon; if it tightens too much, loosen it gradually with more cooking liquid.
  • Keep the duck tender: Maintain a gentle simmer rather than a hard boil so the duck cooks through without drying out.

Make-ahead tips

  • Cook ahead: The duck and sauce can be made in advance and chilled together, which gives the flavours time to settle.
  • Reheat gently: Warm slowly in a saucepan, adding a splash of water or cooking liquid if the sauce has thickened in the fridge.
  • Freezer-friendly: Freeze once cooled, then defrost overnight in the fridge before reheating gently until piping hot.

Serving ideas

  • Serve with rice or tortillas: Plain rice, Mexican-style rice or warm tortillas work well because they soak up the rich green sauce.
  • Finish with freshness: A little fresh coriander and an extra squeeze of lime brighten the sauce just before serving.
  • Spoon over generously: Place the duck on the plate first, then ladle the pipián over the top so the sauce coats the meat rather than pooling underneath.

Equipment you'll need

Blender Chef’s knife Cutting board Frying pan Large pot Tongs
Ingredients

Duck

Green pipián

Instructions
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  1. Put the duck legs in a large pot. Halve the onion and lightly crush 2 garlic cloves, then add both to the pot with the chicken stock. Bring to a gentle simmer, partially cover, and cook for 70 to 80 minutes until the duck is tender and starting to pull from the bone.
  2. While the duck cooks, toast the pumpkin seeds in a dry frying pan over medium heat for 3 to 5 minutes, stirring, until they smell nutty and start to pop. Tip them straight into a blender jug to cool slightly. Peel the tomatillos, rinse off any tackiness, then roughly chop.
  3. Add the tomatillos to the blender with the remaining 2 garlic cloves, the green chilli peppers, and the fresh coriander. Ladle in 400 ml of the hot duck cooking liquid (strain it if you like), then blend until very smooth. Squeeze in the juice of the lime and blend briefly to combine.
  4. Lift the duck legs out with tongs and set aside; discard the onion and garlic from the pot. Pour the blended sauce into the pot and bring to a gentle simmer, stirring often, for 8 to 10 minutes until it thickens enough to coat the back of a spoon. If it becomes too thick, loosen with a splash more cooking liquid.
  5. Return the duck legs to the pot and turn them in the sauce to coat. Simmer gently for 5 minutes to heat through and let the flavours settle. Serve hot with plenty of sauce spooned over.

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Recipe notes

Tips

  • For a smoother, silkier pipián, blend for a full minute, then pass the sauce through a sieve-strainer before simmering to thicken.
  • If you prefer milder heat, remove the seeds from the green chili pepper before blending; for more heat, leave them in.
  • Reheat gently and avoid a hard boil once the sauce is thickened, as it can catch on the base of the pot.

Substitutions

  • Replace Fresh coriander with Fresh flat-leaf parsley for a less citrusy, more herbaceous sauce.
  • Replace Chicken stock with Vegetable stock for a lighter, cleaner-tasting pipián.
  • Replace Lime with Lemon for a slightly sharper, more direct acidity.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then refrigerate in a sealed container for up to 3 days. Freeze for up to 2 months; defrost overnight in the fridge and reheat gently in a saucepan over low heat, adding a splash of water if needed, until piping hot.

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Recipe overview

  • Servings: 4 servings
  • Total time: 1h 50min (35min active)
  • Difficulty: Advanced
  • Cuisine: Mexican
One pot Freezer friendly
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Equipment you'll need

Blender Chef’s knife Cutting board Frying pan Large pot Tongs
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Chicken stock

1 cup ≈ 240 ml
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