A Burger King BK Veggie Burger has about 390 calories as served, based on BK’s 2018 U.S. nutrition guide.
No Mayo/Ketchup
Standard Build
With Cheese
Classic BK Veggie
- MorningStar Farms patty
- Sesame bun, mayo + ketchup
- Lettuce, tomato, onion
Most orders
No-Mayo Build
- Hold the mayo
- Keep ketchup or go plain
- Same veg toppings
Lower kcal
Cheesy Veggie
- Add 1 American slice
- All standard toppings
- Richer mouthfeel
Heavier
Burger King Veggie Burger Calories — Real Counts
When people say “BK Veggie Burger,” they usually mean the MorningStar Farms garden patty on a sesame bun with the classic toppers. In the last full U.S. guide available, that sandwich lands at 390 calories, with 17 g fat, 41 g carbs, and 21 g protein. Sodium sits near 980 mg, and the served weight is listed at 219 g. Menus change by region, yet those numbers give you a reliable baseline for the standard sandwich.
Why do you see different values across apps or sites? Two reasons tend to drive the swing. First, sauces. Mayo adds a chunk of energy, while ketchup adds a smaller bump. Second, builders. Some data sets log a “no mayo” or “no sauce” version, which drops the total. You’ll sometimes spot entries near 310–353 calories because the sauce math changed or the bun size differed by market.
How The 390 Number Was Calculated
The calorie line above comes from Burger King’s own nutrition list for the U.S. at the time, which includes the full sandwich with mayo and ketchup. The patty supplier is named there as MorningStar Farms, and the ingredient list confirms a mixed-veg soy patty. That matches the way the sandwich was assembled across many stores during that period.
Big Picture Table: Builds And Calories
Use this quick table to match what you order to a realistic calorie window. It keeps things simple while covering the builds you’ll see most often.
| Build | What’s On It | Calories |
|---|---|---|
| No Mayo/Ketchup | Patty + bun + veg only | ≈310–353 kcal |
| Standard Sandwich | Mayo + ketchup + veg | ≈390–410 kcal |
| With Cheese | Standard + 1 slice cheese | ≈430–460 kcal |
| Patty Only | MorningStar garden patty | ≈100–120 kcal |
Why Numbers Change From Store To Store
Sauces And Spreads
Mayo is the big mover. A tablespoon can add close to 90 calories. Ketchup adds less, yet it still nudges the total. Skip mayo and you’ll see a clear drop. Keep ketchup if you like a little zip, or ask for mustard for a leaner spread.
Cheese
One slice of American adds about 45–55 calories. Two slices put you into the mid-400s fast. If you want a cheese hit without a large bump, ask for half a slice or choose a lighter cheese where offered.
Different Buns
Not every market uses the same bun weight. A lighter bun can shave a few dozen calories, while a larger bun can swing the other way. That’s why third-party databases sometimes show a range for the same item name.
Local Variations
Some countries sell a Veggie Burger that isn’t the MorningStar patty, and the dressing stack might be different. The calorie target will still cluster around the same range once you line up bun, sauce, and cheese the same way.
Ordering Tips That Keep It Tasty
Hold Mayo, Keep Flavor
Ask for no mayo. Keep ketchup, add mustard, or ask for extra pickles. You still get tang and crunch with a leaner total.
Pick Your Cheese Moment
In the mood for cheese? Go with a single slice. If you want even tighter numbers, skip cheese this time and save it for a day you add a side salad instead of fries.
Watch Side Choices
Pair the sandwich with water or a diet drink when you’re counting. If you want a warm side, look for the smallest fry size or split one. Many stores offer apple sauce or a side salad as well.
Second Table: Topping Tweaks And Calorie Impact
These quick tweaks make the numbers move in a predictable way. Mix and match the ones that fit your taste.
| Swap Or Add | Change | Notes |
|---|---|---|
| No mayo | −85 to −95 kcal | Biggest single saver |
| Add 1 ketchup packet | +15 to +20 kcal | Sweet, small bump |
| Add 1 American slice | +45 to +55 kcal | Melty, salty lift |
| Extra pickles/onions | ~0 to +5 kcal | Crunch without the surge |
| Skip bun, lettuce wrap | −130 to −160 kcal | Where staff can do it |
How This Compares With The Plant-Based Whopper
Different sandwich, different target. The Impossible Whopper sits far higher because the patty, bun, and dressing stack are bigger. If you want a lower number, the Veggie Burger style builds above run leaner, especially when you hold mayo. If your store only carries the plant-based Whopper, the same logic still helps: drop sauces, pick one cheese slice at most, and keep the veggies.
Protein, Fiber, And Satiety
The BK Veggie Burger brings a steady protein line for the size. You’re looking at about 21 g on the U.S. build from the older guide. Fiber shows up from the patty mix and bun, which helps the sandwich feel balanced for its calorie range. That’s why small tweaks like sauce swaps can make the meal feel lighter without losing that fill.
Practical Orders That Work
Lean And Bright
Veggie Burger, no mayo, extra pickles, extra onions. Water on the side. You get crunch and tang with a total near the lower band.
Classic But Calmer
Standard sandwich, no extra sauces, small fries to share. That pairing keeps the plate steady while still feeling like a treat.
Cheesy And Still Sensible
Veggie Burger with one American slice, hold mayo, add mustard. The cheese shows up, the sauce swap keeps the numbers tidy.
How The Numbers Were Sourced
Calories for the full sandwich come from Burger King’s U.S. nutrition list from 2018, which also lists the maker of the patty. The patty’s own label shows about 100 calories per 67 g, so the rest comes from bun and toppings. Third-party apps can be helpful, yet they often log no-sauce builds or regional buns, which explains lower totals on some entries. If you’re ordering in a country with a different veg patty, scan the local site or the counter sheet for the exact line.
Short FAQ-Style Notes
Is The Veggie Burger Still On Every Menu?
Not everywhere. Some markets switched to a plant-based Whopper as the main meat-free option. Others keep a Veggie Burger with a non-soy patty. Ask at the counter, since the sauce stack can differ too.
Does Broiling Change Calories?
Heat method can change moisture, yet the energy number is driven by bun, patty, sauces, and cheese. A different grill will not swing the count the way a spoon of mayo will.
Can You Make It Gluten-Free?
That depends on local buns and prep rules. Ask for a lettuce wrap if staff can do it. You still get the veg patty and toppings with a big bun drop from the table above.
Takeaway You Can Use Today
If you want the leanest Burger King Veggie Burger, hold mayo and keep the veggies. If you want a little extra richness, add one slice of cheese and skip the second sauce. Match the build to your plan and you’ll get a sandwich that fits without guesswork.