Longhorn French Onion Soup Menu Prices, Calories & Nutrition’s 2026

The Longhorn French Onion Soup is one of the most comforting starters on the LongHorn Steakhouse menu. It is rich, cheesy, savory, and full of classic steakhouse flavor.

This soup is made with slow-cooked onions, flavorful broth, seasoned crostini, melted Swiss and provolone cheese, and a Parmesan garlic-style crust. It is warm, filling, and perfect for guests who want something more indulgent than a simple side salad.

At $6.29 and 480 calories, the French Onion Soup is an affordable appetizer that can also work as a light meal when paired with salad or vegetables.

View Full: Longhorn Menu With Prices

Quick Longhorn French Onion Soup Details

Item	Details
Menu Item	French Onion Soup
Restaurant	LongHorn Steakhouse
Price	$6.29
Calories	480 Cal
Main Ingredients	Onions, beef broth, crostini, Swiss, provolone, Parmesan
Flavor	Savory, cheesy, rich, onion-forward
Best For	Soup lovers, cheese lovers, steakhouse starters
Main Allergens	Dairy, gluten, possible soy

Longhorn French Onion Soup Menu Price

Item	Price
French Onion Soup	$6.29

The listed price is $6.29, but prices may vary by location, taxes, and restaurant updates.

Longhorn French Onion Soup Calories

Item	Calories
French Onion Soup	480 Cal

At 480 calories, this soup is richer than many lighter starters because of the cheese topping and crostini.

Longhorn French Onion Soup Nutrition Facts

Nutrient	Amount
Calories	480 Cal
Total Fat	27g
Saturated Fat	14g
Cholesterol	70mg
Sodium	1,430mg
Carbohydrates	38g
Dietary Fiber	3g
Sugars	10g
Protein	22g
Vitamin A	20% DV
Calcium	35% DV
Iron	10% DV

This soup gives you a good amount of protein and calcium, but it is also high in sodium and saturated fat.

Longhorn French Onion Soup Ingredients

Component	Ingredients
Soup Base	Slow-cooked onions, beef broth, butter, herbs
Bread Layer	Seasoned crostini
Cheese Topping	Swiss cheese, provolone cheese, Parmesan garlic crust
Flavor Style	Deep onion flavor, melted cheese, savory broth

The mix of onions, broth, bread, and cheese gives this soup its classic French onion flavor.

Allergen Information

Allergen	Present / Possible
Dairy	Yes, from Swiss, provolone, Parmesan, and butter
Gluten/Wheat	Yes, from crostini
Soy	Possible from shared prep or ingredients
Eggs	Not listed as a main ingredient
Shellfish	Not included
Tree Nuts	Not included

This soup is not gluten-free, not dairy-free, not vegan, and usually not vegetarian because it contains cheese, butter, crostini, and beef broth.

Why Choose Longhorn French Onion Soup?

Reason	Why It Works
Classic steakhouse flavor	Rich broth, onions, and melted cheese
Affordable starter	Listed at only $6.29
Filling portion	Works as appetizer or light meal
Cheese topping	Swiss, provolone, and Parmesan add richness
Comfort food feel	Warm and satisfying
Pairs well with entrées	Great before steak, chicken, or salmon

Best Pairings

Pairing	Why It Works
Outlaw Ribeye	Bold steak pairs with rich soup
Flo’s Filet	Tender steak balances cheesy soup
Renegade Sirloin	Classic value steak pairing
Parmesan Crusted Chicken	Comfort-food style meal
LongHorn Salmon	Lighter entrée with rich starter
Crispy Brussels Sprouts	Adds vegetable crunch
Mixed Green Salad	Creates a lighter soup-and-salad meal

Customization Tips

Request	Why It Helps
No crostini	Reduces carbs and gluten source
Light cheese	Cuts calories and saturated fat
Extra cheese	Makes it more indulgent
Pair with salad	Adds freshness
Share a bowl	Reduces calories and sodium
Add vegetables on the side	Balances the meal

Even without crostini, guests with gluten sensitivity should still ask about cross-contact and broth ingredients.

Healthier Ordering Tips

Tip	Why It Helps
Ask for light cheese	Reduces fat
Skip crostini	Lowers carbs
Pair with broccoli or salad	Adds fiber and freshness
Avoid salty sides	Soup is already high in sodium
Drink water	Helps balance sodium
Share as a starter	Keeps portion lighter

FAQ About Longhorn French Onion Soup

1. How much is Longhorn French Onion Soup?

The French Onion Soup is listed at $6.29.

2. How many calories are in Longhorn French Onion Soup?

It has about 480 calories per serving.

3. What is in Longhorn French Onion Soup?

It includes slow-cooked onions, beef broth, crostini, Swiss cheese, provolone cheese, and Parmesan garlic crust.

4. Does French Onion Soup contain dairy?

Yes, it contains dairy from cheese and butter.

5. Is Longhorn French Onion Soup gluten-free?

No, it contains gluten from the crostini.

6. Can I order it without crostini?

Yes, you can request no crostini.

7. Is French Onion Soup vegetarian?

Usually no, because it is made with beef broth.

8. Is it vegan?

No, it contains beef broth, butter, and cheese.

9. What cheeses are used?

It includes Swiss, provolone, and Parmesan-style cheese topping.

10. Is it high in sodium?

Yes, it has about 1,430mg of sodium.

11. Is it spicy?

No, it is savory, cheesy, and onion-forward, but not spicy.

12. Can kids eat French Onion Soup?

Yes, but some kids may not enjoy the strong onion flavor.

13. What entrée pairs best with it?

It pairs well with steak, chicken, salmon, ribs, or a fresh salad.

14. Can I order it to-go?

Yes, but the cheese and crostini texture may be better when eaten fresh.

15. Is it filling enough for a light meal?

Yes, especially when paired with salad or a vegetable side.

16. Can I ask for less cheese?

Yes, you can request light cheese to reduce richness.

17. Is Longhorn French Onion Soup worth it?

Yes, it is worth trying if you enjoy cheesy, savory, classic steakhouse-style soup.

Final Thoughts

The Longhorn French Onion Soup is a rich, cheesy, and comforting starter made with slow-cooked onions, savory broth, crostini, Swiss cheese, provolone, and Parmesan garlic crust.

At $6.29 and 480 calories, it is affordable and satisfying, but it is also high in sodium and contains dairy and gluten. For a lighter order, ask for light cheese, skip the crostini, or pair it with a fresh salad or vegetable side.

If you love warm, cheesy steakhouse soup, the French Onion Soup at LongHorn is one of the best appetizers to try.