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Green Spaghetti with Roasted Poblano and Cilantro Sauce Recipe

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4 from 6 reviews

This vibrant Green Spaghetti recipe features smoky roasted poblano peppers blended into a creamy, flavorful sauce. Tossed with buttery spaghetti and garnished with fresh cilantro, this dish offers a unique twist on traditional pasta with a smooth, mildly spicy green sauce that’s perfect for a comforting yet fresh meal.

Ingredients

Peppers and Sauce

  • 1 lb poblano peppers (about 4 peppers)
  • 4 cloves garlic, roughly chopped (about 2 tbsp)
  • 4 oz cream cheese
  • 1/2 cup chicken stock
  • 1 bunch cilantro (weighed 3 oz), plus extra for garnish
  • 1/2 cup heavy whipping cream
  • 1 tsp salt, plus more to taste

Pasta

  • 1 lb spaghetti
  • 1/4 cup butter, cut into pats (salted or unsalted)
  • Salt, for pasta water

Instructions

  1. Roast Poblanos: Place the poblano peppers directly over a gas stove flame or on a grill, turning frequently until the skin is evenly blackened, about 10 minutes. Alternatively, broil the peppers on a sheet tray in the oven, turning for even charring. Use a kitchen fan to vent the spicy smoke.
  2. Steam Peppers: Transfer the blackened peppers to a bowl, cover tightly with plastic wrap, and allow them to steam and soften for 5 minutes, which makes peeling easier.
  3. Prepare Peppers: Peel off the charred skin carefully, then remove seeds, stems, and ribs to reduce heat and bitterness.
  4. Blend Sauce Base: In a blender, combine the peeled poblanos, garlic, cream cheese, and chicken stock. Blend until the mixture is smooth and creamy.
  5. Add Final Ingredients: Add cilantro, heavy cream, and 1 teaspoon salt to the blender; blend again until fully incorporated. Taste the sauce and adjust the salt if needed to achieve a well-seasoned, balanced flavor.
  6. Cook Pasta: Boil spaghetti in generously salted water (should taste like seawater) until al dente according to package directions. Drain well.
  7. Toss Pasta with Butter: Immediately toss the hot spaghetti with pats of butter until melted and evenly coated.
  8. Combine Pasta and Sauce: Pour the green poblano sauce over the buttered spaghetti and toss thoroughly to coat. The sauce will thicken slightly as it is absorbed by the noodles.
  9. Garnish and Serve: Plate the green spaghetti and garnish with additional fresh cilantro if desired. Serve warm for a flavorful, creamy meal.

Notes

  • Roasting the poblanos over an open flame adds a smoky depth to the sauce.
  • Steaming the peppers after roasting helps loosen the skin for easy peeling.
  • Removing seeds and ribs reduces the spiciness of the poblanos, making the dish more approachable.
  • Use salted pasta water to enhance the flavor of the spaghetti.
  • Butter helps create a silky coating on the pasta before adding the sauce.
  • Adjust seasoning in the sauce to your taste, adding more salt if needed.