Peruvian Roast Chicken with Green Aji Sauce (Pollo a la Brasa)
Whole spatchcocked chicken marinated in aji panca, garlic, soy sauce, and dark beer, roasted at high heat for crisp crackling skin, served with addictive creamy green aji sauce.

Crackling mahogany skin and juicy breast meat reaching ≥165°F (74°C) internal temperature.
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Step-by-Step Video Guide & Creator Variants
Cocinanding Guide vs. Creator Video: Related Video — Unconfirmed Comparison (J. Kenji López-Alt): This public video is provided as a visual reference for the dish. Exact ratios, timings (25m prep / 50m cook / 480m rest), and US grocery suggestions on this page are independently standardized by Cocinanding.

Peruvian Roast Chicken with Green Aji Sauce (Pollo a la Brasa)
J. Kenji López-Alt
Public YouTube video embedded as a visual technique reference. The written recipe guide, verified timings, and US grocery brand picks are independently authored by Cocinanding (not a commercial partnership).
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What to Buy & Brand Guide
Editorial US Grocery Suggestions • Zero Paid Placements
Inca's Food Aji Amarillo Paste
Standard Size: 7.5 oz jarWhy it matters: Fruity berry-like heat distinct to Peruvian cuisine.
Where to find in US: Hispanic specialty aisle.
Acceptable substitutes: Goya Aji Amarillo.
Why This Recipe Works
💡 Spatchcocking Mechanics
Flattening the chicken exposes all skin to direct radiant heat while positioning thighs toward the hotter back of the oven, cooking dark and white meat at the exact same rate.
Ingredients for 4 ServingsUS Standard Measurements
- 1 whole Whole roasting chicken (4 to 5 lbs), spatchcocked
- 2 tbsp Peruvian aji panca paste⭐ Recommended: Inca's Food
- 8 cloves Fresh garlic cloves (6 minced for chicken paste + 2 for Ají Verde sauce)
- 2 tbsp Dark soy sauce
- 3 tbsp Freshly squeezed lime juice (for marinade and Ají Verde sauce)
- 2 tbsp Neutral vegetable oil
- 1 tbsp Ground cumin
- 1 tbsp Sweet paprika
- 1 tsp Dried oregano
- 1.5 tsp Kosher salt
- 1 tsp Freshly ground black pepper
- 0.5 cup Dark beer or malt beverage
- 2 tbsp Peruvian aji amarillo yellow pepper paste⭐ Recommended: Inca's Food
- 2 whole Jalapeño peppers, seeded
- 1 cup Fresh cilantro leaves and tender stems
- 0.5 cup Real mayonnaise (for Ají Verde sauce)
- 0.5 cup Sour cream and crumbled queso fresco or cotija cheese (for Ají Verde sauce)
Required Kitchen Tools
- ✓Poultry shears
- ✓Baking sheet with wire roasting rack
- ✓Blender
Step-by-Step Preparation
Spatchcock & Mix Spice Paste
Cut out the backbone using poultry shears, flip the chicken, and press the breastbone firmly to flatten. Mash 6 cloves garlic, aji panca, soy sauce, 2 tbsp lime juice, vegetable oil, cumin, paprika, oregano, kosher salt, and black pepper into a spice paste.
Peruvian Marinade
Rub the spice paste and dark beer all over and under the chicken skin. Marinate in the refrigerator for 8 to 24 hours.
High-Heat Roast
Roast on a wire rack at 425°F (220°C) for 45 to 50 minutes until skin crackles and the thickest part of the breast reaches ≥165°F (74°C).
Blend Ají Verde Sauce
Blend aji amarillo paste, seeded jalapeños, 2 cloves garlic, fresh cilantro, mayonnaise, sour cream / queso fresco, and 1 tbsp lime juice until thick and creamy.
Common Mistakes & Troubleshooting
Avoid the mistakes that ruin this recipe
⚠️ Problem: Breast overcooked before thighs finish
Underlying Cause: Roasted whole with cavity intact.
Fix & Solution: Always snip out backbone and flatten chicken completely.
Frequently Asked Culinary Questions
Specific ingredient, technique, and US grocery answers for Peruvian Roast Chicken with Green Aji Sauce (Pollo a la Brasa)
❓ Which brand of aji amarillo paste should I look for in US grocery stores for Peruvian Roast Chicken with Green Aji Sauce (Pollo a la Brasa)?
Editorial suggestion: Inca's Food Aji Amarillo Paste (Inca's Food). Fruity berry-like heat distinct to Peruvian cuisine. Typical aisle: Hispanic specialty aisle. Acceptable substitute: Goya Aji Amarillo.
❓ How do I fix: "Breast overcooked before thighs finish"?
Common cause: Roasted whole with cavity intact. Practical fix: Always snip out backbone and flatten chicken completely.
The Crown of Peruvian Rotisseries
Pollo a la Brasa is celebrated as a culinary treasure of Peru. Kenji’s spatchcock roasting technique recreates commercial rotisserie crispness in an ordinary home oven.
Visual Kitchen Infoguide (Print or Save to Phone)
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