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–+ servings
striploin steak with a side of fries and asparagus

Cast Iron Striploin Steak Recipe

Make a traditional date night meal in the comfort of your own home with the perfect cast iron striploin steak. You will impress your loved one with the perfect marinated steak, topped with a tangy horseradish mustard sauce.
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Prep Time 5 minutes
Cook Time 10 minutes
Marinating Time and Resting Time 35 minutes
Total Time 45 minutes
Course dinner, Main Course
Cuisine American
Servings 2 people
Calories 520.3 kcal

Equipment

Ingredients
 
 

  • 2 9 oz. Striploin Steaks
  • 2 tbsp vegetable oil

Marinade:

Mustard Sauce:

  • 3 tbsp butter
  • 2 tbsp Dijon mustard
  • 1 tbsp horseradish

Instructions
 

  • Make the marinade about 35 minutes before you start cooking. Combine pressed garlic and soy sauce in a 9x9 baking dish.
    4 cloves garlic, ½ cup soy sauce
  • Trim any extra fat around the edges of your steaks. Place the steaks into the marinade in the glass dish. Flip them once and place in the fridge.
    2 9 oz. Striploin Steaks
  • After about 30 minutes start preparing the rest of your meal. Preheat oven to 425ºF.
  • Put the butter in a microwave-safe bowl and put it in the microwave for 10 seconds to melt. Add the mustard and horseradish and mix well. Set aside to let the sauce thicken.
    3 tbsp butter, 2 tbsp Dijon mustard, 1 tbsp horseradish
  • Add 2 tablespoons of vegetable oil to the cast iron skillet. Turn on the burner under the cast iron to medium-high.
    2 tbsp vegetable oil
  • The timing here matters so get your timer ready. Place the steaks in the hot cast iron skillet and set timer to 2 minutes. Do not disturb the steaks once in the skillet.
    2 9 oz. Striploin Steaks
  • When 2 minutes are up, flip the steaks and once again set the timer for another 2 minutes. Do not disturb the steaks.
  • Once the next 2 minutes are up move the whole cast iron skillet into the oven. Set your timer to 4 minutes for medium doneness. The steak should be at 140ºF internal temperature. See notes for additional temperatures.
  • Remove the cast iron skillet from the oven and move the steaks to a cutting board to rest. Set your timer to 5 minutes.
  • Serve the steak topped with the Dijon topping.

Video

Notes

To get the most accurate finish use an instant-read thermometer.
  • Rare steak 120ºF
  • Medium Rare 130ºF
  • Medium 140ºF
  • Medium well 150ºF
  • Well done 160ºF
Remove the steak from the oven at 5 degrees below your desired doneness, the temperature will continue to rise while the steak rests.

Nutrition

Nutrition Facts
Cast Iron Striploin Steak Recipe
Amount per Serving
Calories
520.3
% Daily Value*
Fat
 
38.1
g
59
%
Saturated Fat
 
18.8
g
118
%
Trans Fat
 
0.7
g
Polyunsaturated Fat
 
2
g
Monounsaturated Fat
 
13.5
g
Cholesterol
 
151.8
mg
51
%
Sodium
 
3697.3
mg
161
%
Potassium
 
641.6
mg
18
%
Carbohydrates
 
6.9
g
2
%
Fiber
 
1.5
g
6
%
Sugar
 
1.9
g
2
%
Protein
 
37.6
g
75
%
Vitamin A
 
538.5
IU
11
%
Vitamin C
 
3.8
mg
5
%
Calcium
 
71.1
mg
7
%
Iron
 
3.7
mg
21
%
* Percent Daily Values are based on a 2000 calorie diet.
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