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Spanish Chicken in Creamy Mustard Sauce Recipe
Ash Tyrrell

Spanish Chicken in Creamy Mustard Sauce Recipe

I recently tried making this Spanish chicken in creamy mustard sauce, and honestly, it surprised me in the best way. The combination of creamy texture with that slight tang from mustard feels so comforting. I love how simple ingredients come together to create something that tastes restaurant-quality.
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Total Time 50 minutes
Servings: 6
Ingredients Method Notes

Ingredients
  

  • 6 bone-in chicken thighs – Juicier and more flavorful than boneless cuts perfect for slow simmering
  • 1 tsp garlic powder – Adds a subtle base flavor without overpowering
  • 1 tsp smoked paprika – Use Spanish paprika for authentic smoky depth
  • 1 tsp dried oregano – Enhances the Mediterranean aroma
  • 1 tsp chili flakes optional – Adds a gentle heat kick
  • Salt and black pepper to taste – Always season generously for best flavor
  • 2 tbsp extra virgin olive oil – Use good quality oil for richness
  • 1 white onion finely chopped – Gives sweetness and depth
  • 5 garlic cloves minced – Fresh garlic works much better than pre-minced
  • Splash of white wine – Helps deglaze and enhance flavor
  • 200 ml chicken broth – Forms the base of the sauce
  • 200 ml heavy cream – Creates that creamy velvety texture
  • 2 tbsp Dijon mustard – Smooth and balanced blends perfectly in sauces
  • 1 tsp turmeric optional – Adds a warm color
  • 2 tbsp capers – Bring a tangy slightly salty bite

Method
 

  1. Start by patting the chicken dry and placing it on a tray. Season both sides generously with salt, pepper, oregano, garlic powder, and smoked paprika. I like to rub the spices well so every bite is flavorful and balanced.
  2. Heat olive oil in a skillet over medium-high heat and place the chicken skin-side down. Cook until golden brown on both sides, which locks in flavor and adds texture. Don’t worry if it’s not fully cooked yet—it will finish later.
  3. Deglaze the pan with a splash of white wine and scrape up the browned bits for extra flavor. Add chopped onion and cook until soft and slightly golden. Then stir in garlic and cook briefly until fragrant.
  4. Pour in the chicken broth, heavy cream, and Dijon mustard, then stir everything together. Let it gently simmer until the sauce becomes smooth and slightly thick. This is where the rich, tangy flavor really develops.
  5. Return the chicken to the pan and coat it in the sauce. Let it simmer on low heat for about 25 minutes until fully cooked and tender. If needed, add a little broth to adjust the sauce consistency.
  6. Finish by sprinkling capers and a touch of paprika on top. I like to serve it hot so the sauce stays creamy and delicious. Pair it with bread or rice to soak up every bit of the sauce.

Notes

  • I always sear the chicken properly—it adds incredible depth to the sauce
  • Don’t rush the onion cooking; caramelization brings natural sweetness
  • I prefer Dijon mustard because it blends smoothly without overpowering
  • Adding a little extra broth helps if the sauce thickens too much
  • Let the dish rest for a few minutes before serving—it improves flavor