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One-Pan Chicken Fillet in Creamy Lemon Sauce with Mushrooms

Tender chicken fillet with button mushrooms in a gentle creamy lemon sauce—an impressive yet practical dish for a cozy dinner, all made in one pan.

35 minutes
2 servings
Easy
560 calProtein: 48gCarbs: 12gFat: 35gFiber: 2g
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Ingredients

Main:

  • Chicken fillet - 300 g
  • Button mushrooms - 200 g
  • 20% cream - 180 ml
  • Lemon - 1 pc
  • Garlic - 2 cloves
  • Butter - 20 g
  • Olive oil - 1 tbsp
  • Parmesan - 20 g
  • Parsley - 10 g

Spices & Seasonings:

  • Salt - 3 g
  • Ground black pepper - 1 g
  • Sweet paprika - 2 g

Instructions

1

Prep the ingredients

Slice the chicken fillet (300 g) into 2–3 medallions or thick strips of equal thickness so it cooks evenly. Slice the button mushrooms (200 g). Finely chop the garlic (2 cloves). Finely grate the zest from the lemon (1 pc) (about 1 tsp), then squeeze the juice (about 2 tbsp). Grate the Parmesan (20 g) and finely chop the parsley (10 g).

7 minutes
Tip: If the mushrooms are damp, quickly wipe them with a paper towel—this helps them brown better in the pan.
2

Sear the chicken until golden

Heat a skillet over medium heat for 1–2 minutes. Add the olive oil (1 tbsp) and butter (10 g). Add the chicken fillet (300 g), season the first side with salt (1.5 g) and black pepper (0.5 g). Sear for 3–4 minutes until golden, flip, add sweet paprika (2 g, optional), and cook 2–3 minutes more.

7 minutes
Tip: Don’t overcrowd the pan: the chicken should sear, not steam. If needed, shift the pieces so there’s space between them.
3

Finish cooking the chicken and set aside

Reduce the heat to medium-low and cook the chicken fillet (300 g) for another 2–3 minutes, until it’s completely white inside and springy to the touch. Transfer the chicken to a plate, cover (e.g., with another plate), and let it rest.

4 minutes
Tip: Resting keeps it juicy: the juices redistribute through the meat.
4

Sauté the mushrooms

In the same skillet, add the butter (10 g). Add the button mushrooms (200 g), lightly salt (0.5 g), and sauté for 5–6 minutes over medium heat, stirring, until browned and the excess moisture has evaporated.

6 minutes
Tip: Let the mushrooms sit for 1–2 minutes without stirring first—this helps them develop a nice golden color.
5

Build the aromatic base for the sauce

Push the mushrooms (200 g) to the side of the skillet. Add the garlic (2 cloves) to the center and warm for 30–40 seconds until fragrant, then mix it into the mushrooms. Add the lemon zest (1 tsp from 1 lemon) and pour in the lemon juice (2 tbsp from 1 lemon), stir, and heat for 30 seconds.

2 minutes
Tip: Don’t overcook the garlic: it should only bloom and release its aroma, otherwise it can turn bitter.
6

Make the creamy lemon sauce

Reduce the heat to low. Pour in the cream (180 ml), add the remaining salt (1 g) and black pepper (0.5 g). Stir gently, bring to a very gentle simmer (first bubbles around the edges), and cook for 3–4 minutes until the sauce slightly thickens. Add the Parmesan (20 g) and stir until fully melted.

5 minutes
Tip: Don’t let the cream boil hard: over high heat the sauce can split. If the sauce is too thick, add 1–2 tbsp water and stir.
7

Return the chicken and finish the dish

Return the chicken fillet (300 g) to the skillet along with any juices. Turn the pieces in the sauce and warm for 2–3 minutes over low heat so the chicken absorbs the flavors. Add the parsley (10 g), stir, and remove from the heat.

3 minutes
Tip: For a brighter flavor, add another 1 tsp lemon juice, but add gradually and taste as you go.

When to Eat

Ideal for dinner: filling, yet delicate in flavor and texture.

Health Benefits

High in protein, moderate in fat, with a gentle sauce and no complicated techniques.

Warnings

Contains dairy (cream, butter, Parmesan). If needed, use lactose-free cream and omit the Parmesan.

Serve With

Serve straight from the pan with a slice of fresh bread, rice, or pasta (if you have it), or with a simple leafy green salad.

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