Pan-Seared White Fish with Spaghetti and Caramelized Onions

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What Started it all:
White fish, Onion, pasta, sous vide

This recipe is a twist on traditional Mexican cuisine, combining the freshness of white fish with the sweetness of caramelized onions and the comfort of spaghetti. Perfect for a family dinner or a night out with friends.


  • 1 lb white fish (such as cod or tilapia), cut into 4 pieces
  • 1 large onion, thinly sliced
  • 1 lb spaghetti
  • 2 tbsp olive oil
  • 1 tsp ground cumin
  • 1 tsp smoked paprika
  • Salt and pepper, to taste
  • 1 lemon, cut into wedges
  • Fresh cilantro, chopped (optional)


  1. Preheat the oven to 400°F (200°C).
  2. In a large bowl, mix together olive oil, cumin, smoked paprika, salt, and pepper. Add the sliced onions and toss to coat. Spread the onions on a baking sheet and roast for 20-25 minutes, or until caramelized.
  3. While the onions are roasting, cook the spaghetti in boiling, salted water until al dente. Reserve 1 cup of pasta water before draining.
  4. In a large skillet, heat a tablespoon of olive oil over medium-high heat. Add the white fish pieces and cook for 2-3 minutes on each side, or until cooked through.
  5. In a large serving dish, combine the cooked spaghetti, caramelized onions, and pan-seared white fish. Toss everything together, adding some reserved pasta water if needed to create a creamy sauce.
  6. Serve immediately, garnished with chopped cilantro and a squeeze of lemon juice, if desired.

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