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Cheesy Fish Fillets With Spinach
FishDinnerHealthy Eating

Cheesy Fish Fillets With Spinach

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

This chef-curated Cheesy Fish Fillets With Spinach 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 39g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 322 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Cheesy Fish Fillets With Spinach 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 Cheesy Fish Fillets With Spinach 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 Cheesy Fish Fillets With Spinach, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • 2 tablespoons butter
  • 2 tablespoons flour
  • 1 teaspoon instant chicken
  • bouillon
  • 1 dash nutmeg
  • dash cayenne pepper
  • 1 dash white pepper
  • 1 cup milk
  • 2/3 cup shredded Swiss or
  • Cheddar cheese
  • 1 (10 ounce) package frozen
  • chopped spinach, thawed, well
  • drained
  • 1 tablespoon lemon juice
  • 1 pound fish fillets, cut into
  • serving pieces
  • 1/2 teaspoon salt
  • 2 tablespoons grated Parmesan
  • cheese
  • Paprika

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

Heat butter over low heat until melted

Step 2: Technique & Execution

Stir in flour, bouillon, nutmeg, red pepper and white pepper; cook over low heat, stirring constantly, until mixture is smooth and bubbly

Step 3: Technique & Execution

Stir in milk; heat to boiling and cook, stirring constantly, for 1 minute

Step 4: Technique & Execution

Add cheese and cook, stirring constantly, just until cheese melts

Step 5: Technique & Execution

Place spinach in ungreased 12-in. x 7-1/2-in. baking dish or 8-in. square baking dish

Step 6: Technique & Execution

Sprinkle with the lemon juice

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories322 kcalControlled caloric load for steady metabolic burn
Protein39gHigh-biological-value protein for tissue maintenance
Carbohydrates17gComplex, slow-digesting dietary fiber
Fat21gWholesome dietary lipids for micronutrient absorption

Cheesy Fish Fillets With Spinach

This chef-curated Cheesy Fish Fillets With Spinach offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.8 from 54 votes
Cheesy Fish Fillets With Spinach
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories16% DV
322 kcal
Protein78% DV
39g
Fat27% DV
21g
Carbs6% DV
17g
Scale Ingredients

Ingredients

Ingredient Substitutions

Original IngredientHealthy Alternative
Salmon/CodSteelhead trout, halibut, or sea bass (baking times may vary)
Asparagus/VegZucchini slices, broccoli florets, or green beans (roast at same temperature)

Instructions

1

Technique & Execution: Heat butter over low heat until melted

2

Technique & Execution: Stir in flour, bouillon, nutmeg, red pepper and white pepper; cook over low heat, stirring constantly, until mixture is smooth and bubbly

3

Technique & Execution: Stir in milk; heat to boiling and cook, stirring constantly, for 1 minute

1:00
4

Technique & Execution: Add cheese and cook, stirring constantly, just until cheese melts

5

Technique & Execution: Place spinach in ungreased 12-in. x 7-1/2-in. baking dish or 8-in. square baking dish

6

Technique & Execution: Sprinkle with the lemon juice

Tried this recipe?

Let us know how it turned out! Click a star below to leave a review and rate the recipe.

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

How do I prevent the fish from sticking to the pan?▼

Ensure your baking dish is lightly oiled or lined with parchment paper, and make sure the oven is fully preheated before cooking.

Can I make this recipe with frozen fish?▼

Yes. Thaw the fish completely in the refrigerator overnight, then pat it dry thoroughly with a paper towel before adding seasonings.

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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