Mean Mr. Mustard Steak


A mustard-crusted and zesty steak recipe that is easy to make, combining the wonderful flavor of a seared steak with the tanginess of mustard.

Prep Time:
10 mins
Cook Time:
15 mins
Additional Time:
5 mins
Total Time:
30 mins
4 rib-eye steaks


  • 4 1-inch thick rib-eye steaks

  • ¼ cup grill seasoning (such as Montreal Steak Seasoning®)

  • ½ cup grainy French mustard (such as Moutarde de Meaux®)

  • 1 cup diced red onion, divided

  • 2 tablespoons unsalted butter


  1. Score both sides of each steak in a diamond pattern by making shallow, diagonal cuts. Season with grill seasoning. Brush each side of steak with mustard, then press 1/2 of the red onions into mustard on one side of steak.

  2. Melt butter in a large skillet over high heat. Place steaks onion-side down in the skillet. Press remaining onions evenly into mustard on the top side of each steak. Cook steaks until they start to firm, and are browned on the outside and red in the center, 4 to 5 minutes per side. An instant-read thermometer inserted into the center should read 125 degrees F (52 degrees C) for rare. Remove steaks from the skillet, and allow to rest for 5 minutes before serving.

    close up view of Mustard Steak served with potatoes, in an aluminum baking pan
    Barbara Ingram

Nutrition Facts (per serving)

558 Calories
38g Fat
13g Carbs
38g Protein
Nutrition Facts
Servings Per Recipe 4
Calories 558
% Daily Value *
Total Fat 38g 48%
Saturated Fat 17g 83%
Cholesterol 137mg 46%
Sodium 3641mg 158%
Total Carbohydrate 13g 5%
Dietary Fiber 1g 4%
Total Sugars 2g
Protein 38g
Vitamin C 4mg 20%
Calcium 87mg 7%
Iron 4mg 22%
Potassium 641mg 14%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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