Roast Chicken and Fennel with Mashed Potatoes

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This roast chicken and fennel with mashed potatoes is the new dinner superhero, perfect for those nights where you don’t REALLY want to cook but you don’t want to get takeout either.

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For this recipe, we used silk chili peppers, a Turkish chili pepper flake, also known as Urfa pepper. You can use regular crushed red pepper or Aleppo pepper flakes if they are easier to find.

This chicken and fennel recipe is super basic but here’s a breakdown of what you’ll do:

  1. Get your potatoes boiling for the mashed potatoes
  2. Render the chicken fat by searing the thighs, skin-side down, in a very hot skillet until the skins are ultra-crispy.
  3. Prepare the sauce by sautéing the aromatics first (fennel and onion) and then adding tomato, lemon, garlic, and red pepper flakes.
  4. Deglaze the pot with a bit of water, wine, or stock.
  5. Mount butter into the stock and let it cook for a minute or two to thicken.
  6. Plop the chicken on top and roast until cooked through.

Before you know it, you’ll be serving a beautiful roast chicken and fennel dish that will compete with any restaurant, I promise.

If you made this chicken, fennel, and mashed potatoes recipe, please rate it and comment below! You can also follow me and share your creations by tagging me! I’d love to feature your #triedandtruerecipes creation on my feed!

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Roast Chicken and Fennel with Mashed Potatoes

This roast chicken and fennel with mashed potatoes is the new dinner superhero, perfect for those nights where you don't REALLY want to cook but you don't want to get takeout either.
4.27 from 52 votes
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Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes
Servings: 4
Calories: 961kcal


  • Ovenproof skillet
  • Medium pot


Roast chicken and fennel:

  • 8 bone-in, skin-on chicken thighs
  • 1 teaspoon neutral cooking oil
  • 1 yellow onion, peeled and diced
  • 1 fennel bulb, cored and sliced, fronds reserved
  • 1 pint cherry tomatoes, halved or left whole
  • 5 cloves garlic, peeled, crushed, and roughly chopped
  • 2 tablespoons lemon juice
  • 1 teaspoon red pepper flakes
  • ½ cup water, wine, or stock, plus more as needed
  • 2 tablespoons butter
  • Salt and pepper to taste

Mashed potatoes:


Cook the mashed potatoes:

  • Cover the quartered potatoes with salted water. Bring to a boil and cook for 20-25 minutes until fork tender. Drain and return to the pot.
  • Turn the heat on the pan to low and add the butter, garlic powder, heavy cream, salt, and pepper.
  • Using a hand mixer or potato masher, blend the potatoes until smooth and creamy. Taste and season again to your preferences. Keep warm.

Cook the chicken:

  • Preheat oven to 400ºF.
  • Add 1 teaspoon of frying oil to the skillet and turn the heat to medium-high. Pat the chicken dry and season all over with salt and pepper. Once hot, add the chicken, skin-side down, and cook for 5-7 minutes until crispy and golden brown.
  • Cook the chicken in batches, if needed. Flip and cook for 1-2 minutes more before transferring to a plate.
  • Remove all but 1 tablespoon of fat from the skillet.

Fry the aromatics:

  • Add the onion and fennel to the skillet and cook for 5-7 minutes until the onions begin to soften.
  • Add the tomatoes, garlic, lemon juice, and pepper flakes and cook for 2-3 minutes. Season everything with salt and pepper.

Prepare the sauce:

  • Pour in the water, wine, or stock and scrape up any browned bits stuck to the bottom.
  • Mount the butter into the liquid and allow it to melt completely before stirring the sauce. Taste and season to your preferences. Turn off the heat.

Roast the chicken:

  • Arrange the chicken on top of the vegetables and transfer to the oven for 20-25 minutes or until the chicken reaches 165ºF on an instant-read thermometer. Remove and set aside.

To Serve:

  • Reheat the mashed potatoes slightly before serving.
  • Arrange the mashed potatoes between shallow bowls and spoon the broth from the skillet on top along with the fennel and tomatoes. Place 1-2 chicken thighs on top of each dish and garnish with more pepper flakes and the reserved fennel fronds. Enjoy!


Calories: 961kcal | Carbohydrates: 29g | Protein: 53g | Fat: 71g | Sodium: 399mg | Fiber: 6g | Sugar: 4g | Vitamin C: 53mg
Tried this recipe?Mention @triedandtruerecipes or tag #triedandtruerecipes so I can feature you in my feed!


  1. 5 stars
    This was delicious. Easy, tasty and it looks impressive. I had left over fennel in the fridge, so this was perfect to use it up. I absolutely love fennel. I also love the lemon in the dish. Lightens everything up.
    This will go in rotation in our home. Thank you 😊

    1. Yes, they are! Thank you for catching! You can use boneless, skinless thighs too if you prefer a quicker cooking chicken. Wegmans also sells boneless, skin-on thighs which I really like for even quicker cooktime!

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