Pipián Rojo (Red Pumpkin Seed Mole Sauce)

Pipián rojo belongs to the Mexican family of seed-thickened mole-style sauces, with toasted pumpkin seeds giving the sauce its body, nuttiness and gently coarse depth. In this version, sesame seeds add extra richness while tomatoes, onion, garlic, guajillo and ancho chilli create a savoury red base with mild warmth rather than sharp heat. A short simmer with stock turns the blended mixture glossy and spoonable, ready to serve warm over chicken, vegetables, rice or other main dishes that benefit from a rich, earthy sauce.
Cuisine style Mexican mole-style sauce
Flavor profile Nutty • Savoury • Mellow red chilli
Techniques Toasting • Blending • Simmering
Key equipment Frying pan • Blender • Saucepan
Spice level Medium
Time commitment Under 1 hour

Why this recipe works

  • Seed-thickened body: Pumpkin seeds give the sauce its characteristic thickness and smooth, mole-style texture without relying on dairy.
  • Layered savoury depth: Onion, garlic, tomatoes, red chilli powders and warm spices build a rounded base before the sauce is blended and simmered.
  • Glossy finish: Blending the toasted seeds thoroughly and simmering the sauce gently creates a cohesive, spoon-coating consistency.

Get the most out of this recipe

Adjust the heat

  • For a gentler sauce: Start with less guajillo and ancho chilli powder, then add more after tasting once the sauce has been blended.
  • For more warmth: Increase the chilli powder gradually during the tomato-cooking stage so the flavour has time to bloom.
  • Keep the heat rounded: Let the nutty seed base, tomato and stock simmer together before making final seasoning adjustments; the heat settles as the sauce thickens.

Authenticity notes

  • Mexican mole family: Pipián belongs to Mexico’s family of seed-thickened sauces; this red version takes its colour and warmth from tomato and dried red chillies.
  • Simmered after blending: Cooking the blended paste with stock is essential to the mole-style texture, helping the flavours meld and the sauce turn glossy.
  • Pumpkin seeds are central: The pumpkin seeds are the defining ingredient, while sesame adds extra nuttiness and depth without taking over the sauce.

Make-ahead tips

  • Make ahead: The sauce can be cooked in advance, cooled completely and refrigerated in a sealed container for up to 4 days.
  • Freezer-friendly: Freeze the finished sauce for up to 3 months, then defrost overnight in the fridge before reheating.
  • Reheat gently: Warm over low heat and loosen with a splash of stock if the sauce has thickened in the fridge.

Common mistakes

  • Scorching the seeds: Pumpkin and sesame seeds can turn bitter if they darken too quickly, so keep the heat moderate and stir often.
  • Rushing the tomato base: The tomatoes should collapse and look jammy before blending; otherwise the sauce can taste raw rather than rounded.
  • Losing the sauce texture: Aim for a sauce that coats the back of a spoon, adding stock gradually if too thick or simmering a little longer if too loose.

Equipment you'll need

Ingredients
Instructions
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  1. Set a frying pan over medium heat. Toast the pumpkin seeds, stirring often, for 4 to 6 minutes until they start to pop and smell nutty; tip into a bowl. Toast the sesame seeds in the same pan for 1 to 2 minutes until fragrant, then add to the bowl.
  2. Add the sunflower oil to the pan and return to medium heat. Roughly chop the onion and cook for 6 to 8 minutes until softened and lightly golden. Add the garlic and cook for 1 minute, just until fragrant.
  3. Roughly chop the tomatoes and add them to the pan with the guajillo chilli powder, ancho chilli powder, cinnamon, cloves and 1 tsp of the salt. Cook for 8 to 10 minutes, stirring, until the tomatoes collapse and the mixture looks jammy. Take off the heat and let it cool for 5 minutes so it blends safely.
  4. Tip the tomato mixture into a blender and add the toasted pumpkin seeds and sesame seeds. Pour in about half the chicken stock and blend until very smooth, scraping down as needed. If it seems too thick to blend, add a splash more stock to keep it moving.
  5. Pour the blended sauce into a saucepan and stir in the remaining chicken stock. Bring to a gentle simmer over medium-low heat, then cook for 12 to 15 minutes, stirring often, until thick and glossy and it coats the back of a spoon. Taste and season with the remaining salt, then serve warm as a rich mole-style sauce.

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Recipe notes

Tips

  • Keep the heat moderate when toasting the seeds; if they darken too quickly, lower the heat and keep them moving to avoid bitterness.
  • For the smoothest finish, blend for a full minute, then let the sauce simmer gently; a hard boil can make it catch on the base of the pan.
  • If serving to young children or anyone sensitive to spice, start with half the guajillo chilli powder and ancho chilli powder, then add more after tasting.

Substitutions

  • Replace sunflower oil with olive oil for a slightly fruitier base.
  • Replace chicken stock with vegetable stock to make the sauce suitable for vegetarians.
  • Replace white onion with yellow onion for a slightly sweeter flavour.

Storage

  • Refrigerate up to 4 days
  • Cool completely, then refrigerate in a sealed container for up to 4 days. Reheat gently in a saucepan over low heat, loosening with a splash of chicken stock if needed. Freeze for up to 3 months; defrost overnight in the fridge before reheating.

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Recipe overview

  • Servings: 4 servings
  • Total time: 55min (25min active)
  • Difficulty: Medium
  • Cuisine: Mexican
  • Allergens:
    Sesame
Freezer friendly Kid friendly

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