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Steak with Creamy Mushroom Sauce

Juicy seared steak served over fluffy mashed potatoes and smothered in a rich creamy mushroom sauce. Restaurant-quality comfort food made in one pan.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Dinner, Main Course
Cuisine American
Servings 2
Calories 780 kcal

Equipment

  • 1 | Cast iron skillet | for searing
  • 1 | Large pot | for potatoes
  • 1 | Potato masher |
  • 1 Tongs
  • 1 | Wooden spoon |

Ingredients
  

  • 2 | | ribeye or sirloin steaks | about 8 oz each
  • 1 | tbsp | oil |
  • 2 | tbsp | butter |
  • 8 | oz | mushrooms | sliced
  • 2 | cloves | garlic | minced
  • 1 | cup | heavy cream |
  • 1/2 | cup | beef broth |
  • 1 | | salt and black pepper | to taste
  • 1 | tbsp | fresh parsley | chopped
  • 2 | lbs | potatoes | peeled and cubed
  • 1/4 | cup | milk | warm
  • 3 | tbsp | butter | for mash

Instructions
 

  • Boil potatoes in salted water until tender, about 15-20 minutes.
  • Season steaks generously with salt and pepper.
  • Sear steaks in hot oil in a cast-iron skillet 3-4 minutes per side; rest.
  • Sauté mushrooms in butter in the same pan until golden.
  • Add garlic, then pour in broth and cream; simmer until thickened.
  • Mash drained potatoes with butter and milk until smooth.
  • Slice rested steak against the grain.
  • Plate mash, top with steak, and spoon over creamy mushroom sauce.
  • Tip: Rest the steak at least 5 minutes before slicing for juicier results.
  • Tip: Scrape up the browned bits in the pan for maximum flavor in the sauce.

Notes

Store leftovers in an airtight container in the fridge for up to 2 days.
Reheat gently on the stove with a splash of cream to loosen the sauce.
For a lighter version, use half-and-half instead of heavy cream.
Always slice steak against the grain for the most tender bite.