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Creole Onion Soup
OnionDinnerHealthy Eating

Creole Onion Soup

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

This chef-curated Creole Onion Soup 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 25g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 380 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

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

Ingredients & Measurements

  • 1 (1 pound) loaf French bread
  • 1/4 cup butter
  • 2 onions, thinly sliced
  • 1/4 cup all-purpose flour
  • 1/4 teaspoon ground black
  • pepper
  • 1/4 teaspoon garlic powder
  • 1/2 teaspoon Creole-style
  • seasoning
  • 1/4 cup spaghetti sauce
  • 2 tablespoons soy sauce
  • 2 (10.5 ounce) cans beef broth
  • 1 cup shredded Swiss cheese
  • 1 cup grated Parmesan cheese

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

Slice the bread in thick slices and place on the rack in the oven

Step 2: Technique & Execution

Heat oven to 325 degrees F (165 degrees C)

Step 3: Technique & Execution

Check bread periodically throughout following steps and remove from oven when golden

Step 4: Technique & Execution

In a saucepan over medium heat, melt butter

Step 5: Technique & Execution

Cook onion in butter, stirring, until golden, 15 minutes

Step 6: Technique & Execution

Sprinkle flour, pepper, garlic powder and Creole seasoning over onion and continue to cook until flour is golden brown as well

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories380 kcalControlled caloric load for steady metabolic burn
Protein25gHigh-biological-value protein for tissue maintenance
Carbohydrates41gComplex, slow-digesting dietary fiber
Fat21gWholesome dietary lipids for micronutrient absorption

Creole Onion Soup

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

★★★★★4.8 from 53 votes
Creole Onion Soup
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories19% DV
380 kcal
Protein50% DV
25g
Fat27% DV
21g
Carbs15% DV
41g
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: Slice the bread in thick slices and place on the rack in the oven

2

Technique & Execution: Heat oven to 325 degrees F (165 degrees C)

3

Technique & Execution: Check bread periodically throughout following steps and remove from oven when golden

4

Technique & Execution: In a saucepan over medium heat, melt butter

5

Technique & Execution: Cook onion in butter, stirring, until golden, 15 minutes

15:00
6

Technique & Execution: Sprinkle flour, pepper, garlic powder and Creole seasoning over onion and continue to cook until flour is golden brown as well

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 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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