
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.
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 seasoningStep 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 steakStep 3: Technique & Execution
Melt the butter in a large skillet over high heatStep 4: Technique & Execution
Place the steaks onion side down in the skilletStep 5: Technique & Execution
Press the remaining onions evenly into the mustard on the top side of each steakStep 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 sideChef's Pro Tips & Variations
Nutritional Profile per Serving
| Metric | Amount | Dietary Benefit |
|---|---|---|
| Calories | 405 kcal | Controlled caloric load for steady metabolic burn |
| Protein | 24g | High-biological-value protein for tissue maintenance |
| Carbohydrates | 26g | Complex, slow-digesting dietary fiber |
| Fat | 15g | Wholesome 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.

Macro Nutrition Profile (Per Serving)
Ingredients
Ingredient Substitutions
| Original Ingredient | Healthy Alternative |
|---|---|
| Animal protein | Firm tofu, tempeh, or organic chickpeas |
| Cooking fat | Extra virgin olive oil or grass-fed butter |
Instructions
Technique & Execution: with grill seasoning
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
Technique & Execution: Melt the butter in a large skillet over high heat
Technique & Execution: Place the steaks onion side down in the skillet
Technique & Execution: Press the remaining onions evenly into the mustard on the top side of each steak
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
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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
Chief Culinary SpecialistStewart 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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