The LongHorn Flos Filet with Lobster Tail Grill Master Combo is $36.99 for a 6 oz center cut beef tenderloin paired with a 4 oz cold water lobster tail just 420 calories total. The most elegant two protein plate at LongHorn Steakhouse. Two proteins, one plate, and the lightest full surf and turf meal at any US casual steakhouse. This guide covers price, full nutrition, allergens, keto guide, best sides, and exactly how to order it right.
Most guests walk past this combo heading straight for the ribeye. That is exactly what the regulars are counting on. The Flos Filet with Lobster Tail delivers the most refined steakhouse experience at LongHorn a buttery center-cut tenderloin alongside a sweet cold water lobster tail, both butter finished, both at just 420 calories combined.
LongHorn Flo’s Filet Lobster Tail Price
Here are the current prices for the LongHorn Flo’s Filet with Lobster Tail Grill Master Combo at most US LongHorn Steakhouse locations. The combo at $36.99 includes a 6 oz center cut beef tenderloin and a 4 oz cold water lobster tail plus one side and one salad. Prices run 10 to 15 percent higher in major metro areas.
| Item | Price | Includes |
|---|---|---|
| Flo’s Filet® + Lobster Tail Grill Master Combo | $36.99 | 1 side + 1 salad |
| Flo’s Filet® standalone (6 oz) | $27.79 | 1 side + 1 salad |
| Flo’s Filet® standalone (9 oz) | $33.29 | 1 side + 1 salad |
| Lobster Tail add-on (standalone) | ~$10.49 | Available as add-on |
| Saving vs ordering separately | ~$1.29+ saved | Same two proteins, one plate |
Dinner vs Lunch Price
The Flos Filet with Lobster Tail Grill Master Combo is available during lunch hours at most locations, Monday through Saturday, 11am to 3pm only. The Flos Filet standalone drops to $25.49 at lunch while the Grill Master Combo pricing may vary. Always confirm at longhornsteakhouse.com or on the longhorn steakhouse restaurant’s app (iOS and Android) before visiting.
The Most Elegant Meal at LongHorn Steakhouse
Here is what most guests at LongHorn Steakhouse never stop to calculate. The Flos Filet ($27.79) and lobster tail separately would cost significantly more than the Grill Master Combo at $36.99. Two proteins, one plate, one side, and one salad included. Founded by George McKerrow Jr. in Atlanta, Georgia in 1981 and now owned by Darden Restaurants Inc. under RARE Hospitality Management LLC, LongHorn Steakhouse built the Grill Master Combo section specifically for guests who want a complete upscale experience without ordering separately.
About Is the LongHorn Flo’s Filet Lobster Tail Combo
Part of the Grill Master Combos section at LongHorn Steakhouse two premium proteins on one plate. The Flos Filet with Lobster Tail is the most elegant combination on the entire combo menu, the most tender steak at LongHorn alongside the sweetest seafood on the menu.
Flo’s Filet (Center Cut Tenderloin, Most Tender Steak)
The Flos Filet is cut from the center of the beef tenderloin the muscle that does almost no physical work in the animal. That is exactly why it delivers the softest, most buttery bite on the entire Legendary Steaks menu at LongHorn Steakhouse. Made from USDA Choice beef, fresh and never frozen, it is grilled to order by a certified LongHorn Grill Master trained under LongHorn Legendary Grill training program. The Maillard reaction creates a proper caramelized crust while the inside stays light, flaky, and perfectly tender. Order it Medium Rare the tenderloin has almost no intramuscular fat, which means it loses its signature texture fast when overcooked.
Lobster Tail (Cold-Water, Butter-Finished)
The lobster tail in this combo is a 4 oz cold water lobster tail, butter-finished during cooking. Cold-water lobster sourced from colder ocean environments is firmer, sweeter, and more flavorful than warm water varieties. At LongHorn Steakhouse, it is finished with melted butter that
creates a rich, glossy coating. The natural sweetness of cold water lobster pairs perfectly with the buttery tenderness of the Flos Filet, two proteins that share a finishing butter profile and complement each other without competing.
Why This Combo Stands Apart from Every Other?
Among all seven Grill Master Combos at LongHorn Steakhouse, the Flos Filet with Lobster Tail stands apart for one reason: refinement. The Outlaw Ribeye + Redrock Shrimp ($43.99) is the most indulgent. The Renegade Sirloin + Redrock Shrimp ($24.99) is the most affordable. But nothing on the combo menu matches the elegance of a center cut tenderloin alongside a butter finished cold-water lobster tail. This is the order for a special occasion a birthday, anniversary, or date night at LongHorn Steakhouse.
LongHorn Flo’s Filet Lobster Tail Nutritional Breakdown
At just ~420 calories for both proteins combined, the LongHorn Flo’s Filet with Lobster Tail delivers ~54g protein with the lowest sodium (~750mg) of any Grill Master Combo at LongHorn Steakhouse. The tenderloin is lean at ~14g total fat, the lobster tail adds protein with almost zero fat, and at ~3g net carbs the combo is fully keto compatible. Note: finishing butter adds ~210 cal request butter on the side to keep the full meal under 650 calories.
| Nutrient | Flo’s Filet® (6 oz) | Lobster Tail (4 oz) | Combo Total | Key Notes |
|---|---|---|---|---|
| Calories | 330 | ~90 | ~420 | One of the lightest Grill Master Combos |
| Protein | 35g | ~19g | ~54g | Strong combined protein profile |
| Total Fat | ~14g | ~1g | ~15g | Low – tenderloin is lean, lobster is very lean |
| Saturated Fat | ~6g | ~0g | ~6g | Primarily from finishing butter |
| Net Carbs | ~2g | ~1g | ~3g | Fully keto compatible |
| Sodium | ~350mg | ~400mg | ~750mg | Moderate – lowest sodium Grill Master Combo |
| Cholesterol | ~80mg | ~60mg | ~140mg | Consistent with lean beef and lobster |
Allergen and Ingredient Information
This combo contains shellfish and dairy. LongHorn Steakhouse kitchens are not allergen free environments. Always inform your server before ordering.
| Item | Allergens | Notes |
|---|---|---|
| Flo’s Filet® (6 oz) | Dairy (finishing butter), Soy | Gluten Sensitive – NOT certified gluten-free |
| Cold-Water Lobster Tail (4 oz) | Shellfish (lobster), Dairy (finishing butter) | Top-8 allergen – speak with manager before ordering |
| Mixed Greens Salad | Dairy, Soy | Lightest salad – safest for most allergy guests |
| Caesar Salad | Dairy, Eggs, Fish (anchovy), Gluten | Croutons contain wheat – skip for gluten-sensitive |
| Fresh Steamed Asparagus | None major | Best side for guests with multiple allergies |
| Steamed Broccoli | None major | Lightest included side – no major allergens |
Dairy and Shellfish Warning
The lobster tail contains shellfish a top 8 allergen in the US. Guests with shellfish or crustacean allergies must avoid this combo entirely. Both proteins also contain dairy from finishing butter. Request no finishing butter for dairy-sensitive guests the filet and lobster tail stay flavorful without it.
Gluten Sensitivity Note
Both proteins are labeled Gluten Sensitive not certified gluten free. Cross contact is possible in LongHorn Steakhouse kitchens. Guests with celiac disease must speak directly with the manager. Skip the Caesar Salad (croutons contain wheat) and choose Mixed Greens Salad without croutons instead.
Best Side Choices for Allergy Guests
For guests with multiple allergen concerns at LongHorn Steakhouse: Fresh Steamed Asparagus ($6.49, 130 cal) has no major allergens and is the safest premium side upgrade. Fresh Steamed Broccoli (90 cal, included) is equally safe. Both pair beautifully with the delicate flavor profile of the
Flos Filet + Lobster Tail without introducing new allergen risks.
The Healthiest Grill Master Combo at LongHorn Steakhouse
Here is the combo most health-conscious guests at LongHorn Steakhouse never think to order they are missing out. At 54g protein and just 420 calories, the Flo’s Filet with Lobster Tail is the most nutritionally balanced Grill Master Combo on the menu. The tenderloin carries only ~14g total fat, the lobster tail adds protein with almost zero fat, and combined sodium sits at just 750mg the lowest of any combo on the entire menu. No sodium warning needed here.
Keto Compatibility
At approximately 3g net carbs for both proteins combined, the Flos Filet with Lobster Tail is fully keto compatible. Best keto plate, combo plus Fresh Steamed Asparagus (~2g net carbs) and Mixed Greens Salad without croutons (~3g net carbs). Full keto meal under 680 calories and under 9g net carbs the most keto-friendly complete surf-and-turf meal at LongHorn Steakhouse. Skip honey wheat bread (30g+ carbs).
High Protein Low Calorie Analysis
At 12.9g protein per 100 calories, the Flos Filet with Lobster Tail delivers exceptional nutritional efficiency. The beef tenderloin provides 35g of lean protein from one of the lowest-fat cuts on the Legendary Steaks menu. The cold water lobster tail adds 19g protein at approximately 90 calories one of the best protein to calorie ratios of any seafood protein available at a US casual steakhouse.
Best Healthy Side Pairings
| Pairing | Total Cal | Net Carbs | Best For |
|---|---|---|---|
| Asparagus + Mixed Greens (no croutons) | ~680 | ~9g | Best keto – lowest carbs and calories |
| Steamed Broccoli + Mixed Greens | ~650 | ~13g | Lightest complete meal |
| Rice Pilaf + Mixed Greens | ~840 | ~48g | Light grain – no major allergens |
| Loaded Baked Potato + Caesar Salad | ~1,010 | ~60g | Classic but high carb |
Best Sides to Order with LongHorn Flo’s Filet Lobster Tail
Every LongHorn Flo’s Filet with Lobster Tail Grill Master Combo includes one side and one salad. Given the delicate, refined flavor profile of both proteins, choose sides that complement rather than overpower Fresh Steamed Asparagus ($6.49) and Mixed Greens Salad without croutons is the most elegant and keto-friendly combination on the menu.
| Side | Cal | Net Carbs | Note |
|---|---|---|---|
| Fresh Steamed Broccoli (included) | 90 | 6g | Best – lightest, lets the elegant proteins shine |
| Seasoned Rice Pilaf (included) | 230 | ~40g | Natural fit – echoes the butter profile of lobster |
| Mashed Potatoes (included) | 340 | ~35g | Comfort classic – buttery texture matches both proteins |
| Fresh Steamed Asparagus ($6.49) | 130 | ~2g | Best premium upgrade – keto, elegant, zero allergens |
| Crispy Brussels Sprouts ($6.49) | 310 | ~20g | Popular – sweet-savory contrast to delicate filet |
| Mixed Greens (no croutons) | 140 | ~8g | Best salad – lightest, lowest sodium, zero gluten |
| Caesar Salad | 250 | ~12g | Classic – skip if gluten-sensitive, has croutons |
| Strawberry & Pecan Salad | 190 | ~18g | Fresh and sweet – raspberry vinaigrette pairs with lobster |
LongHorn Flo’s Filet Lobster Tail vs Other Grill Master Combos
The Flo’s Filet + Lobster Tail is the only combo where both proteins share the same flavor language: delicate, buttery, and refined making it the date night order, the birthday dinner, and the most elegant plate on the entire LongHorn Steakhouse Grill Master Combos menu.
| Combo | Price | Cal | Protein | Best For |
|---|---|---|---|---|
| Renegade Sirloin + Redrock Shrimp | $24.99 | ~480 | ~68g | Most affordable — best value combo |
| Salmon + Redrock Shrimp | $26.79 | ~460 | ~68g | Lightest combo — best for healthy eating |
| Parmesan Chicken + Baby Back Ribs | $27.99 | ~820 | ~75g | Best comfort food combo |
| Flo’s Filet + Lobster Tail | $36.99 | ~420 | ~54g | Most elegant — lowest sodium — most tender |
| Ribeye + Redrock Shrimp | $37.99 | ~970 | ~96g | Richest boneless combo |
| New York Strip + Lobster Tail | $44.99 | ~780 | ~110g | Best protein combo |
| Outlaw Ribeye + Redrock Shrimp | $43.99 | ~1,410 | ~110g | Most indulgent — boldest |
FAQ About LongHorn Flo’s Filet Lobster Tail 2026
Q1. How much is the LongHorn Flo’s Filet Lobster Tail combo?
$36.99, includes 6 oz center-cut beef tenderloin, 4 oz cold-water lobster tail, one side and one salad. Competitor sites list $37.79 verified price from longhornsteakhouse.com is $36.99.
Q2. How many calories are in the LongHorn Flo’s Filet Lobster Tail combo?
~420 calories for both proteins, Flo’s Filet 330 cal and lobster tail ~90 cal. Add Steamed Broccoli and Mixed Greens for a full meal under 650 calories. Confirmed by Carb Manager, FatSecret, CalorieKing, and MyNetDiary.
Q3. Is the LongHorn Flo’s Filet the most tender steak?
Yes cut from the center of the beef tenderloin, the muscle that does almost no physical work in the animal. Always order Medium Rare (130-135F) the tenderloin loses its texture fast when overcooked.
Q4. What is the lobster tail like at LongHorn Steakhouse?
A 4 oz cold water lobster tail, butter-finished during cooking, firmer, sweeter, and more flavorful than warm-water varieties. Pairs perfectly with Flo’s Filet on one plate.
Q5. Is the LongHorn Flo’s Filet Lobster Tail combo keto-friendly?
Yes, ~3g net carbs for both proteins. Pair with Fresh Steamed Asparagus and Mixed Greens without croutons for a full keto meal under 680 calories and 9g net carbs. Confirmed by Carb Manager and MyNetDiary.
Q6. Does the LongHorn Flo’s Filet Lobster Tail contain shellfish?
Yes, lobster tail is a top-8 allergen. Both proteins also contain dairy from finishing butter. LongHorn kitchens are not allergen-free — speak with the manager before ordering.
Q7. What sides come with the LongHorn Flo’s Filet Lobster Tail combo?
One side and one salad included. Standard: Steamed Broccoli (90 cal), Rice Pilaf (230 cal), Loaded Baked Potato (290 cal). Premium upgrades $6.49 each: Fresh Steamed Asparagus (best pairing), Crispy Brussels Sprouts, Mac and Cheese.
Q8. How does the Flo’s Filet Lobster Tail compare to other Grill Master Combos?
Most elegant and lowest sodium at $36.99 (~420 cal). Renegade Sirloin + Redrock Shrimp ($24.99) is most affordable. Salmon + Redrock Shrimp ($26.79) is lightest. Outlaw Ribeye + Redrock Shrimp ($43.99) is most indulgent.
Q9. What doneness should I order the Flo’s Filet at LongHorn?
Always Medium Rare (130-135F), the tenderloin has almost no intramuscular fat, push past Medium and the fibers tighten immediately. Every LongHorn Grill Master is trained under LongHorn Legendary Grill training program to nail this temperature.
Q10. Is the LongHorn Flo’s Filet Lobster Tail good for a date night?
Best date night order at LongHorn Steakhouse two refined proteins at just 420 calories and $36.99. Share the Chocolate Stampede ($11.99) for dessert. Join the call-ahead waitlist on the LongHorn Steakhouse app before arriving.
Conclusion
Flo’s Filet with Lobster Tail, The Most Elegant Grill Master Combo The LongHorn Flos Filet with Lobster Tail ($36.99, ~420 cal, ~54g protein) is the most refined two-protein plate at LongHorn Steakhouse. Center-cut beef tenderloin alongside butter-finished cold-water lobster tail two proteins with the same delicate flavor language, the lowest sodium of any Grill Master Combo, and one of the lightest calorie counts on the entire combo menu. Say Medium Rare, ask for the fire grill, request lemon on the side for the lobster, and pair with Fresh Steamed Asparagus and Mixed Greens Salad without croutons. That is the complete playbook for the most elegant meal at LongHorn Steakhouse.
Ready To Enjoy LongHorn Flo’s Filet Lobster Tail ?
find a longhorn steakhouse menu at LongHornsteak house or the LongHorn Steakhouse app. For delivery: Uber Eats, DoorDash, and Grubhub at participating locations. For the complete ordering guide, lunch savings, and insider hacks, check our LongHorn Steakhouse Ordering Guide and our Healthy LongHorn Menu guide.
