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Tuna Stuffed Mushrooms
GourmetDinnerHealthy Eating

Tuna Stuffed Mushrooms

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
★★★★★ 4.9 (48 reviews)
Quick Summary Answer
⏱️ 4 min read read📅 Updated: June 15, 2026

This chef-curated Tuna Stuffed Mushrooms 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 38g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 513 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Tuna Stuffed Mushrooms 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 Tuna Stuffed Mushrooms 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 Tuna Stuffed Mushrooms, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • 1 (6 ounce) can albacore tuna in
  • water, drained and flaked
  • 2 tablespoons mayonnaise
  • 1/4 teaspoon dried minced onion
  • 1/4 teaspoon onion powder
  • 1 1/2 teaspoons sweet pickle
  • relish
  • 2 (1 ounce) slices Swiss cheese,
  • diced
  • salt and pepper to taste
  • 1 (8 ounce) package fresh white
  • mushrooms, cleaned and stems
  • removed

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

Preheat an oven to 350 degrees F (175 degrees C)

Step 2: Technique & Execution

Combine the tuna, mayonnaise, dried onion, onion powder, sweet relish, Swiss cheese, salt, and pepper in a large bowl

Step 3: Technique & Execution

Fill mushroom caps with the tuna mixture; place on baking sheet

Step 4: Technique & Execution

Bake in preheated oven until the mushrooms are soft, and begin to give up their juices, 20 to 25 minutes.

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories513 kcalControlled caloric load for steady metabolic burn
Protein38gHigh-biological-value protein for tissue maintenance
Carbohydrates22gComplex, slow-digesting dietary fiber
Fat18gWholesome dietary lipids for micronutrient absorption

Tuna Stuffed Mushrooms

This chef-curated Tuna Stuffed Mushrooms offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.9 from 48 votes
Tuna Stuffed Mushrooms
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories26% DV
513 kcal
Protein76% DV
38g
Fat23% DV
18g
Carbs8% DV
22g
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: Preheat an oven to 350 degrees F (175 degrees C)

2

Technique & Execution: Combine the tuna, mayonnaise, dried onion, onion powder, sweet relish, Swiss cheese, salt, and pepper in a large bowl

3

Technique & Execution: Fill mushroom caps with the tuna mixture; place on baking sheet

4

Technique & Execution: Bake in preheated oven until the mushrooms are soft, and begin to give up their juices, 20 to 25 minutes.

25:00

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Storage & Freezing Tips

  • Refrigerator: Store leftovers in an airtight glass container for up to 2 days.
  • Reheating: Warm gently in a skillet on medium-low heat with a lid to keep the fish tender. Avoid microwaving to prevent rubbery texture.
  • Freezing: We do not recommend freezing cooked fish as it degrades the texture.

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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