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Mean Mr. Mustard Steak
SteakDinnerHealthy Eating

Mean Mr. Mustard Steak

Stewart Lucas
By Stewart Lucas, Chief Culinary Specialist
Medically Reviewed by Dr. Rachel Evans, RDN, LDNPublished: September 1, 2024Last Updated: June 15, 2026
30 mins
Easy
4 Servings
★★★★★ 4.8 (52 reviews)
Quick Summary Answer
⏱️ 4 min read read📅 Updated: June 15, 2026

This chef-curated Mean Mr. Mustard Steak offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Key Takeaways

  • ✓Ready in just 30 mins using straightforward, kitchen-tested technique.
  • ✓Delivers 24g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 405 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Mean Mr. Mustard Steak offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Culinary Heritage & Chef's Notes

In the NutriGuide test kitchen, Chief Culinary Specialist Stewart Lucas refined this classic Mean Mr. Mustard Steak to celebrate vibrant, wholesome ingredients. By prioritizing aromatic layering and precise thermal control, this recipe achieves remarkable culinary depth while preserving natural micronutrients and wholesome texture.

At NutriGuide, our mission is to ensure that home cooking is both accessible and culinary-grade. When executing Mean Mr. Mustard Steak, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • 4 1-inch thick rib-eye steaks
  • 1/4 cup grill seasoning (such as
  • Montreal Steak Seasoning®)
  • 1/2 cup grainy French mustard
  • (such as Moutarde de Meaux®)
  • 1 cup diced red onion, divided
  • 2 tablespoons unsalted butter
  • Score both sides of each steak by making diagonal slices. Season

Chef's Sourcing & Quality Tips:

  • Produce & Aromatics: Always use fresh whole aromatics and seasonal herbs rather than dehydrated powders when possible.
  • Cooking Oils: Utilize cold-pressed oils with appropriate smoke points such as extra virgin olive oil or avocado oil.
  • Salt & Seasoning: Season from a modest height above the pan to ensure an even, uniform crystalline dispersion.

Step-by-Step Culinary Masterclass

Follow these sequential steps with careful attention to sensory cues and cooking temperatures:

Step 1: Technique & Execution

with grill seasoning

Step 2: Technique & Execution

Brush each side of the steak with the mustard, then press 1/2 of the red onions into the mustard on one side of the steak

Step 3: Technique & Execution

Melt the butter in a large skillet over high heat

Step 4: Technique & Execution

Place the steaks onion side down in the skillet

Step 5: Technique & Execution

Press the remaining onions evenly into the mustard on the top side of each steak

Step 6: Technique & Execution

Cook steaks until they start to firm, and are browned on the outside and red in the center, 4 to 5 minutes per side

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories405 kcalControlled caloric load for steady metabolic burn
Protein24gHigh-biological-value protein for tissue maintenance
Carbohydrates26gComplex, slow-digesting dietary fiber
Fat15gWholesome dietary lipids for micronutrient absorption

Mean Mr. Mustard Steak

This chef-curated Mean Mr. Mustard Steak offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.8 from 52 votes
Mean Mr. Mustard Steak
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories20% DV
405 kcal
Protein48% DV
24g
Fat19% DV
15g
Carbs9% DV
26g
Scale Ingredients

Ingredients

Ingredient Substitutions

Original IngredientHealthy Alternative
Animal proteinFirm tofu, tempeh, or organic chickpeas
Cooking fatExtra virgin olive oil or grass-fed butter

Instructions

1

Technique & Execution: with grill seasoning

2

Technique & Execution: Brush each side of the steak with the mustard, then press 1/2 of the red onions into the mustard on one side of the steak

3

Technique & Execution: Melt the butter in a large skillet over high heat

4

Technique & Execution: Place the steaks onion side down in the skillet

5

Technique & Execution: Press the remaining onions evenly into the mustard on the top side of each steak

6

Technique & Execution: Cook steaks until they start to firm, and are browned on the outside and red in the center, 4 to 5 minutes per side

5:00

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Storage & Freezing Tips

  • Refrigerator: Store leftovers in an airtight container for up to 3-4 days.
  • Reheating: Heat in a saucepan or skillet on medium heat until hot throughout.
  • Freezing: Freeze portions in airtight containers for up to 2 months. Reheat directly from frozen or after thawing.

Frequently Asked Questions

Can this recipe be prepared ahead of time?▼

Yes, this meal is excellent for weekly meal prep. Store components separately and assemble before serving.

Is this recipe gluten-free?▼

All ingredients used are naturally gluten-free. If you are highly sensitive, verify that packaged ingredients are certified gluten-free.

Tried this recipe?

Tag @stewartlucas on Instagram and hashtag it #nutriguide!

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Stewart Lucas

Stewart Lucas

Chief Culinary Specialist

Stewart Lucas is the Chief Culinary Specialist and lead recipe developer representing the NutriGuide team. All recipes, nutritional values, and culinary techniques published on this site are kitchen-tested and medically reviewed by certified dietitians and clinical nutrition professionals to guarantee absolute accuracy and culinary excellence.

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