Grilled Creamy Mushroom Chicken with Mashed Potatoes

a photo of creamy mushroom chicken in a stainless steel pan

Grilled Creamy Mushroom Chicken with Mashed Potatoes

Grilled creamy mushroom chicken served with mashed potatoes and greens is the ultimate comfort meal that feels gourmet but is meal-prep approved. No heavy cream, no splitting sauce—just juicy chicken breasts and velvety mushroom goodness.

note - ingredients can be approximate.

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Prep Time 10

Cook Time 20

Total Time 30

Course Main Course

Cuisine European

Servings

Calories 621 kcal

Equipment

1 Large and Deep Pan
1 large pot

Ingredients

Chicken, mash and beans

400 g (14 oz) chicken breasts
40 g (⅓ cups) flour
10 g (2 tablespoon) parmesan, grated
Salt and pepper, to taste
15 g (1 tablespoon) oil
400 g (14 oz) green beans
400 g (14 oz) potatoes, approx.6 small, see note 1
30 g (2 tablespoon) butter
60 ml (¼ cups) milk
4 garlic cloves, minced

Mushroom sauce

1 onion
300 g (10 ½ oz) mushrooms, white button recommended
4 garlic cloves
15 g (1 tablespoon) white wine vinegar, substitutions note 2
125 ml (½ cups) chicken stock, homemade or store-bought
160 g (1 cups) Greek yogurt, substitutions note 3
30 g (¼ cups) parmesan, grated

Instructions

Begin potatoes

Peel and quarter 400 g (14 oz) potatoes.
Add potatoes to a large pot filled with cold water and add to the stove over medium-high heat. Once they're softened (approx. 10 minutes after it starts bubbling) drain (see below for further instructions).

Prepare

Slice ends off 400 g (14 oz) green beans.
Dice 1 onion.
Thinly slice 300 g (10 ½ oz) mushrooms.
Grate 30 g (¼ cups) parmesan. Set aside. Grate 4 garlic cloves. Set aside.
Grate 10 g (2 tablespoon) parmesan and add to 40 g (⅓ cups) flour, Salt and pepper on a plate.
Halve 400 g (14 oz) chicken breasts horizontally and pound chicken breasts so they're an even thickness. Place chicken breasts into flour mixture to coat both sides.

Cook chicken and beans

Heat 15 g (1 tablespoon) oil over medium-high on a skillet then add the 400 g (14 oz) green beans and cook for approx. 5 minutes until they turn a brighter green. Turning constantly. Remove and set aside.
Add chicken breasts to the pan and cook until golden and the outside is completely white (approx. 4 minutes per side). Remove and set aside.
In the same skillet, add 1 onion and sauté until fragrant (approx. 2 minutes). Add 300 g (10 ½ oz) mushrooms and 4 garlic cloves until golden (approx. 5 minutes). Remove and set aside.
Turn heat up to high then add 15 g (1 tablespoon) white wine vinegar and stir quickly (it should smoke a lot). Add 125 ml (½ cups) chicken stock and continue stirring until it bubbles (approx. 5 minutes). Turn heat off and move pan off heat.
Whisk in 160 g (1 cups) Greek yogurt and 30 g (¼ cups) parmesan, then add the mushrooms, onion and chicken back into the skillet. Turn heat back on to medium and spoon sauce over and simmer gently (approx. 5 minutes) to finish cooking the chicken (to 69°C/160°F).

Finish potatoes and serve

The potatoes should now be done (You should be able to feel this with a skewer or knife that the potato is soft to the centre) so while simmering, drain the potatoes then add 30 g (2 tablespoon) butter and 60 ml (¼ cups) milk, and salt and pepper to taste. Mash until desired texture.
Remove chicken and serve over mashed potatoes and beans. Make sure to drizzle over the mushroom sauce.

Video

Notes

Note 1 - Potatoes

Yukon Gold (all-rounder), russet potatoes and red potatoes are all good for mashed potatoes depending on your preference.

For meal prepping, Yukon gold are better because they reheat without turning watery.

Note 2 - Vinegar

Substitutions - white wine, white vinegar, apple cider vinegar

Note 3 - Greek yogurt

Substitutions - dairy-free yogurt alternatives, or dairy cooking creams (or dairy-free cooking creams)

Storing

Store in airtight container in the fridge for up to 4 days.

Reheating

Add a drizzle of water over the potatoes and sauce. Reheat on medium heat in microwave on 1 minute intervals (for approx. 5 minutes). Flip chicken breast over each time and gently stir sauce.

Nutrition

Calories: 621kcalCarbohydrates: 57gProtein: 51gFat: 22gSaturated Fat: 9gPolyunsaturated Fat: 3gMonounsaturated Fat: 8gTrans Fat: 0.4gCholesterol: 122mgSodium: 544mgPotassium: 1916mgFiber: 9gSugar: 12gVitamin A: 1355IUVitamin C: 51mgCalcium: 346mgIron: 4mg

Keyword chicken meal prep, chicken recipe

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