Lemon Garlic Butter Flank Steak with Mushrooms

4.5 from 8 votes
Prep Time 5 minutes
Cook Time 15 minutes
Total Time 20 minutes
Author Alyssa Rivers
Servings 6 people
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Lemon Garlic Butter Flank Steak with Mushrooms is tender, juicy flank steak cooked in a buttery, lemon garlic sauce mixed with mushrooms for the perfect combination. It is cooked in a skillet to tender perfection and a meal that everyone will love! 

Course Main Course
Cuisine American
Keyword flank steak, lemon


  • 2 pounds flank steak
  • 2 Tablespoons olive oil
  • 3 garlic cloves minced
  • 16 ounce sliced mushrooms
  • 3 Tablespoons butter
  • 1/4 cup chicken broth
  • juice of one lemon
  • pinch of red pepper flakes
  • fresh chopped herbs for garnish


  1. Add the flank steak and the steak marinade to a zip lock bag and seal and let marinade for 30 minutes. Remove the steak from the marinade and discard marinade. Slice the steak into strips against the grain.
  2. Add the olive oil to a medium skillet and heat over medium-high heat. Add the steak strips and garlic and cook for about 2-3 minutes until the steak is cooked to desired liking. Remove the steak and set aside on a plate.
  3. Add the mushrooms to the skillet and cook for 2-3 minutes or until tender. Remove and set on the plate with the steak.
  4. Add the butter, chicken broth, juice of one lemon and red pepper flakes to the skillet. Allow to simmer and add the steak and mushrooms back to the skillet. Toss to warm up and garnish with fresh herbs.

Recipe Notes

Updated on October 6, 2019

Original post on March 25, 2018 

Nutrition Facts
Lemon Garlic Butter Flank Steak with Mushrooms
Amount Per Serving
Calories 318 Calories from Fat 162
% Daily Value*
Fat 18g28%
Saturated Fat 7g35%
Cholesterol 106mg35%
Sodium 170mg7%
Potassium 770mg22%
Carbohydrates 3g1%
Fiber 1g4%
Sugar 2g2%
Protein 35g70%
Vitamin A 175IU4%
Vitamin C 3mg4%
Calcium 38mg4%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.