Start by Pre-heating your oven to 400° and lining a baking sheet with tin foil.
While the oven is preheating, chop your potatoes into large bite-sized pieces, place them in a large bowl.
Add your diced garlic, salt, pepper, garlic powder, and oil to the bowl with your potatoes. Toss your potatoes in the bowl until they are evenly coated in the seasoning and the oil
Spread the potatoes out on your baking sheet, in an even single layer. Then bake at 400° for 35 minutes. In the last 5 minutes, you will switch the oven to broil and cook under the broiler for 5 minutes. This will give the potatoes a nice golden color and add some crunch!
While the potatoes are baking you can work on the steak.
Season your steak on both sides with salt, garlic powder, black pepper, and red pepper flake. Then allow the steak to rest at room temperature until the potatoes have about 15 minutes left to cook.
Heat a grill pan or saute pan to medium heat, then add your oil to the pan. Immediately add your steak to the pan following the oil. Allow the steak to cook for approximately 3-4 minutes. Then flip your steak and cook for another 3 minutes. This should cook a ½ inch thick flank steak to about medium-rare. If you like your steak cooked a little more, you could cover the steak with a lid in the last 3 minutes, this will cook the steak to medium. Or cover your steak the entire time to cook to medium-well.
Once the steak is cooked to your liking remove it from the pan, place on a large piece of tin foil, then completely wrap the steak in the tin foil to rest while you cook the mushrooms.
In the same pan you cooked the steak in, add your mushroom, season them with garlic powder and pepper, then drizzle with your oil.
Toss them in the seasoning and turn your heat to medium and cover with a lid. Cook for 6-8 minutes covered. Removing the lid to toss them every 2 minutes.
Once the mushrooms are cooked, remove them from the heat, season them with fresh chives and give them one last toss. Then plate your mushrooms.
At this point, your steak should be done resting, remove it from the tin foil, and slice the steak into bite-sized strips, then plate with your mushrooms.
Once your potatoes are done, remove them from the oven, sprinkle them with a little sea salt and fresh chives, then serve with your steak and mushrooms!
Macro Nutrition
Nutrition Facts
Peppered Steak with Roasted Potatoes and Mushrooms
Amount Per Serving
Calories 462Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 5g31%
Trans Fat 0g
Polyunsaturated Fat 1g
Monounsaturated Fat 4g
Cholesterol 83mg28%
Sodium 700mg30%
Potassium 1489mg43%
Carbohydrates 47g16%
Fiber 6g25%
Sugar 4g4%
Protein 35g70%
Vitamin A 1IU0%
Vitamin C 42mg51%
Calcium 14mg1%
Iron 24mg133%
* Percent Daily Values are based on a 2000 calorie diet.