Texas Roadhouse onion almost always means the Cactus Blossom, a whole onion cut into petals, hand-battered, deep-fried and served with Cajun Horseradish sauce. It sits in the appetizer section, typically in the $8 to $12 range depending on location.
What the Texas Roadhouse onion actually is
The Texas Roadhouse onion is a single large yellow onion cut so the layers fan open into petals, dredged in seasoned batter, fried until deep golden, and served upright with a cup of Cajun Horseradish sauce in the center. Menus list it as the Cactus Blossom.
It is a shared starter, not a side. One blossom comfortably feeds three or four people who are also ordering entrees, and it lands on the table within a few minutes of ordering because it is dropped fresh rather than held.
| What it is | Whole onion cut into petals, hand-battered and fried |
|---|---|
| Menu name | Cactus Blossom |
| Category | Appetizers / Starters |
| Size and portion | One full onion; shareable for 3-4 people |
| Typical price | Appetizer range, roughly $8-$12 (confirm locally) |
| Calories | High; commonly listed above 2,000 for the whole blossom with sauce. Check the printed menu. |
| What is included | The blossom plus one cup of Cajun Horseradish dipping sauce |
| Served | Hot, upright on a plate, no sides included |
Cactus Blossom price and size
Texas Roadhouse does not publish one national price for the onion, and franchise locations set their own. Across current location menus it reads as a standard mid-range appetizer, generally between $8 and $12, with metro and airport-adjacent stores at the top of that band.
| Item | Typical range | Notes |
|---|---|---|
| Cactus Blossom (the onion) | $8-$12 | One whole onion, sauce included |
| Extra Cajun Horseradish sauce | Free to about $1 | Store policy varies; often free dine-in |
| Grilled onions (steak topper) | About $1-$3 | Added to an entree, not sold alone |
There is only one size. If you want more, you order a second blossom rather than a large. To confirm the exact price near you, pull up your store on the Texas Roadhouse site or app and switch the location before you look at the menu, because the app defaults to the last store you used.
Calories and nutrition
The onion is one of the highest-calorie items on the menu because you are eating a deep-fried whole vegetable plus a mayonnaise-based sauce. Published figures put the full blossom well above 2,000 calories, though the number shifts with sauce portion and oil absorption.
Two things matter more than the headline number. First, that figure is for the entire appetizer, so split four ways it is a few hundred calories each. Second, the dipping sauce carries a meaningful share of the fat, so dipping lightly changes the math more than skipping a petal or two.
Texas Roadhouse posts a nutrition guide and many locations print calorie counts directly on the menu where state law requires it. If you are tracking closely, read the in-store menu rather than a third-party app, since portion specs get updated without third parties noticing.
The Cajun Horseradish sauce
The onion comes with Cajun Horseradish sauce, a creamy pink-tinged dip with horseradish heat and Cajun seasoning. It is the same sauce most people ask about by name, and servers will usually bring a second cup on request without charging for it.
If horseradish is not your thing, ask for ranch or barbecue on the side instead. The kitchen does not swap the included cup automatically, so say it when you order rather than after the blossom arrives and the sauce is already in the middle of it.
Grilled and sauteed onions on steaks
The other Texas Roadhouse onion is the grilled onion topper. Sauteed onions are offered as an add-on for steaks and some entrees, usually around $1 to $3, and they arrive cooked soft and sweet rather than crisp.
This is the one to order if you want onion flavor without a fried appetizer. It also stacks with sauteed mushrooms, which is how most regulars order a Dallas Filet or a Ribeye when they want a topping without paying for a full starter.
How to order it well
Order the onion at the same time you order drinks, not with your entrees. It takes a few minutes to fry, and if it hits the table alongside your steak it will be cold and soft before anyone gets to the second layer.
- Ask for it well done if you like the petals crisp. A slightly longer drop firms up the inner layers, which are the ones most likely to come out limp.
- Pull petals from the outside in. The outer petals are crispest; the dense center is best broken apart and shared rather than left as a lump.
- Do not stack it with the free rolls. Every table gets rolls with cinnamon butter, and rolls plus a fried onion before a steak is how people end up boxing half their entree.
- Pair it with a lighter entree. Grilled chicken, a sirloin, or the smaller steak cuts balance it better than ribs or a loaded baked potato.
- Split it at a table of four or more. Two people rarely finish one and still eat their two free sides.
Every steak and most entrees come with two sides, and the rolls are unlimited, so the onion is genuinely extra food rather than a filler you need.
Is it worth it compared to other starters
The onion is worth it for a table of three or more and questionable for two. Per dollar it is the largest appetizer on the menu, but it is also the heaviest, and it competes directly with Rattlesnake Bites and the Fried Pickles for the same fried-starter slot.
Against Rattlesnake Bites, the onion wins on size; the bites are jalapeno and cheese, spicier and easier to split evenly. Against Fried Pickles, the onion is milder and less salty but far bigger. If two of you just want something to nibble on, the smaller starters make more sense.
Ordering the onion to go
Fried onion travels worse than almost anything else on the menu. Steam trapped in the to-go container softens the batter within about ten minutes, so a curbside blossom is a different food than the one you get at the table.
If you are getting it anyway, ask for the sauce in a separate cup, crack the lid open in the car, and reheat in an air fryer or oven rather than a microwave.
What we can and cannot verify
This is an independent guide, not the official Texas Roadhouse site. We do not have access to internal pricing systems, so the figures here are ranges observed across location menus rather than a fixed national price.
Prices, availability, and topper charges are set at the store level and change without notice. Calorie figures also shift when recipes or portions are updated. Before you rely on a number, confirm it on the printed menu at your location or on the Texas Roadhouse app with your store selected. Where we are not certain, we say the range rather than inventing a price.
FAQ
What is the Texas Roadhouse onion called?
It is called the Cactus Blossom. It is a whole onion cut into petals, hand-battered, fried, and served with Cajun Horseradish sauce in the center.
How much does the Texas Roadhouse onion cost?
Most locations price it as a standard appetizer, generally $8 to $12. Franchise stores set their own prices, so check your location’s menu on the app before you go.
How many calories are in the Texas Roadhouse onion?
The full blossom with sauce is one of the highest-calorie items on the menu, commonly listed above 2,000 calories. It is meant to be shared, so per-person calories are far lower. Check the printed menu for the current figure.
What sauce comes with the Cactus Blossom?
Cajun Horseradish sauce, a creamy dip with horseradish heat and Cajun seasoning. Extra cups are usually free dine-in if you ask.
How many people does one Cactus Blossom feed?
Three to four people who are also ordering entrees. Two people can share one, but with unlimited rolls and two free sides per entree, most tables of two do not finish it.
Can I get grilled onions on my steak instead?
Yes. Sauteed or grilled onions are offered as an entree add-on, usually around $1 to $3, and they can be stacked with sauteed mushrooms.
Does the Texas Roadhouse onion come with sides?
No. It is a shared starter and comes only with its dipping sauce. Sides come with entrees, which include two of your choice plus the complimentary rolls.
Is the Cactus Blossom available for takeout?
Usually yes, though it softens quickly in a to-go container. Ask for the sauce packed separately and reheat in an oven or air fryer, not a microwave.
Related guides
- Texas Roadhouse menu with full item and price coverage
- current weekly specials and deal nights
- happy hour times and discounted appetizers
- takeout prices with pictures