LongHorn French Onion Soup — Price, Calories & Nutrition 2026

10 min read · Updated August 4, 2026 · By LongHorn Menu Research Team
French Onion Soup at LongHorn Steakhouse — price, calories, and portion photo for 2026 menu guide

If you're staring at the menu wondering whether French Onion Soup is hype or substance, start here. I've had it on weeknights and busy Saturdays; the Cup at $6.29 (~480 calories) is the version most people actually finish. Caramelized onions in rich beef broth topped with melted cheese. This longhorn french onion soup guide covers price, macros, pairings, and the questions diners ask servers most.

Price verified: August 2026 · Independent guide — not affiliated with Darden

LongHorn French Onion Soup Price

French Onion Soup prices
Size / Variant Price Calories Availability
Cup $6.29 480 cal Available

Prices verified quarterly. Regional variation may apply. See our price comparison tool for historical trends.

What Is French Onion Soup at LongHorn Steakhouse?

Caramelized onions in rich beef broth topped with melted cheese. LongHorn runs it through the same fire-grilled, seasoned approach that defines the brand — dry rub, open flame, and portions that usually match the photo (not always the Instagram version, but close).

Order this if: you want a reliable salads & soups pick and don't feel like overthinking the menu. Skip this if: you're chasing the absolute cheapest plate — check our best value steaks guide first.

At LongHorn, French Onion Soup works as a standalone item or as part of a larger meal. Pair it with entrees from our Salads & Soups category or browse the full menu for inspiration.

This item is not listed as gluten-free on the LongHorn menu. If you need gluten-sensitive options, check our gluten-free menu guide or ask your server about modifications.

Want to compare? I've also written up loaded potato soup and pick two soup salad. Full category: Salads & Soups.

French Onion Soup Calories & Nutrition

French Onion Soup nutrition facts
Nutritional Element Amount
Calories 480 cal
Total Fat 28g
Saturated Fat 14g
Cholesterol 45mg
Sodium 1,280mg
Total Carbs 38g
Protein 14g

At roughly 480 calories, French Onion Soup is filling without being a mystery box — you get about 14g of protein and 28g of total fat depending on prep and sauces.

Building a full plate? Use the nutrition calculator. Going low-carb? Start with the keto-friendly menu (also see the older keto macros page).

Nutrition and prices swing a bit by market — we last reviewed this page August 2026.

Sides That Come With French Onion Soup

French Onion Soup is typically ordered as a side or add-on. Popular entrees that pair well include Flo's Filet, Renegade Sirloin, and Outlaw Ribeye.

Soup & Salad Pairings

LongHorn lets you start with soup or salad alongside your entree. Soup options include Loaded Potato Soup ($6.29), Shrimp & Lobster Chowder ($6.29), French Onion Soup ($6.29).

Salad choices include Mixed Greens Salad ($4.49), Caesar Salad ($4.49), Strawberry & Pecan Salad ($6.49). See our full salads & soups category for details.

Best Pairings for French Onion Soup

Best pairings for French Onion Soup
Pairing Why It Works Link
Outlaw Ribeye Classic steakhouse starter View →

Wine & Drink Pairings

For French Onion Soup, house red/white by the glass is the safe table pick. Draft beer works for casual nights; margaritas if you're splitting apps. Full list: drinks menu.

Leftovers & Reheating

Leftovers of French Onion Soup keep 2–3 days refrigerated. Reheat gently — microwave in short bursts with a damp paper towel, or warm in a 300°F oven. Full playbook: reheating guide.

How to Order French Onion Soup

To-go: You can order French Onion Soup for pickup through LongHorn's online ordering system. Step-by-step: how to order online (also see order hub).

Lunch hours: Most LongHorn locations serve lunch from 11:00 AM to 3:00 PM Monday through Friday. This item is available during both lunch and dinner service at most locations.

Best time to order: Weekday early evenings (4:30–5:30 PM) tend to have shorter waits. Weekends after 6 PM are busiest — consider a reservation via our reservations page.

Steak temperature: If this is a steak (or you're pairing one), use our temperature guide and steak finder.

Compare Similar Items

Not sure French Onion Soup is the right pick? Compare it with Loaded Potato Soup, Pick Two Soup Salad. Each page includes full pricing, calories, and pairings so you can decide before you sit down.

For a broader view, our what to order guide ranks the best value items across the entire menu.

Frequently Asked Questions

French Onion Soup is caramelized onions in rich beef broth topped with melted cheese. It is part of the Salads & Soups section on the LongHorn menu.
French Onion Soup starts at $6.29. Prices may vary slightly by location.
French Onion Soup contains approximately 480 calories. See the nutrition table above for full fat, protein, and sodium details.
No — French Onion Soup is not listed as gluten-free on the LongHorn menu. See our gluten-free guide for safe options.
Entrees like steaks and combos include a choice of side such as mashed potatoes, broccoli, fries, or rice pilaf. Premium upgrades include asparagus, mac & cheese, and Brussels sprouts for $3.99.
We recommend Outlaw Ribeye — Classic steakhouse starter.
Yes. French Onion Soup is available for pickup and delivery at most LongHorn locations through their online ordering platform.
French Onion Soup is available during both lunch and dinner at most LongHorn locations.
At $6.29, French Onion Soup offers solid value within the Salads & Soups category. Compare with related items on this page to find the best fit for your budget.
LongHorn offers military discounts on select days. See our military discount guide for current offers.
Yes — say "medium-rare plus" (or "warm red, slightly more set"). Grill cooks understand it. See our temperature guide.
Use a skillet or low oven — avoid nuking steaks. Full steps: reheating guide.
Often yes if you skip bread/fries/sweet sauces. Check keto-friendly menu and the nutrition table above.

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