You do not have to skip the drive-thru just because you are cutting carbs. Almost every major fast food chain has a workaround: swap the bun for lettuce, trade the tortilla for a bowl, or order double meat instead of a side of fries.
This guide covers low carb fast food options at 15 major US chains, plus the keto fast food swaps that keep carbs closer to 10 grams than 60. Carb counts below are approximate, since chains update recipes and portions over time.
The Four Rules That Make Any Fast Food Order Low Carb
Before looking at specific chains, it helps to know the pattern. Almost every low carb fast food order follows the same four moves.
First, remove the bread. No bun, tortilla, bagel, or wrap. Ask for your order protein style, in a bowl, or wrapped in lettuce instead.
Second, swap starchy sides for vegetables. Fries, hash browns, rice, and beans are the biggest hidden carb sources in a fast food meal. A side salad or extra vegetables keeps the meal in check.
Third, watch the sauce. Barbecue, honey mustard, and sweet chili are loaded with sugar. Mayo, mustard, ranch, and vinaigrette are almost always safer.
Fourth, ask before you assume. Grilled chicken sounds safe, but some chains marinate it in a sugary brine, so a quick question about the marinade avoids surprises.
Best Low Carb Fast Food By Chain
1. McDonald’s
Order a burger without the bun, or wrapped in lettuce where available. A plain quarter pounder patty with cheese, minus the bun, runs about 2 to 3 grams of carbs. Skip the fries and hash browns, and for breakfast, order the Egg Mc-Muffin without the muffin, which drops carbs from around 30 grams to under 5.
2. Chick-fil-A
The grilled chicken sandwich without the bun is one of the cleanest options here, at roughly 3 grams of carbs. Chick-fil-A also sells a grilled chicken cool wrap, which uses a flour tortilla, so ask for it without the wrap. Avoid the breaded chicken sandwich and nuggets, since both are breaded and fried.
3. Chipotle
Order a bowl instead of a burrito and skip the rice and beans. A bowl with double meat, fajita vegetables, lettuce, salsa, and guacamole lands around 12 to 18 grams of total carbs, several of those from fiber, making Chipotle one of the easier chains for a keto fast food meal on the go.
4. Subway
Ask for any sandwich as a chopped salad instead of on bread. Most protein and vegetable combinations land between 10 and 15 grams of carbs once the bread is gone. Add olive oil and vinegar rather than a sweetened sauce, and avoid the meatball or teriyaki chicken options, since the sauces alone carry a meaningful carb load.
5. Wendy’s
The baconator or any burger works well without the bun, built as a lettuce wrap on request. A plain double burger with cheese and bacon, no bun, comes in under 5 grams of carbs. Their chili is a reasonable side in moderation, at around 20 grams per serving, though not strict enough for keto.
6. Taco Bell and Qdoba
Order a power bowl or burrito bowl and remove the rice and beans, replacing them with extra lettuce, cheese, and guacamole. This single change can cut the carbs in a typical bowl from over 60 grams down to around 15.
Taco Bell’s “fresco style” option, which swaps cheese and sauce for pico de gallo, is not automatically low carb, since it still assumes rice and beans are in the bowl unless you ask for them removed.
7. Burger King
Any Whopper or chicken sandwich can be ordered without the bun. The plain Whopper patty with cheese, lettuce, tomato, and mayo, minus the bun, is roughly 5 grams of carbs. Skip the onion rings, fries, and sweet dipping sauces entirely.
8. KFC
Grilled chicken, not the original recipe fried chicken, is the pick here, at 0 grams of carbs per piece. Green beans are a reasonable side, while coleslaw and mashed potatoes carry more sugar and starch than expected. A grilled breast with green beans and a small coleslaw stays under 20 grams total.
9. Panera and Jersey Mike’s
Panera’s power bowls and salads with grilled chicken avoid bread entirely, typically running 10 to 20 grams of carbs depending on the dressing.
At Jersey Mike’s, ask for your sub in a bowl or as a salad. A club sub in a bowl with oil and vinegar can run as low as 8 to 13 grams of carbs.
10. Starbucks and Dunkin
Black coffee, americanos, and unsweetened cold brew are all carb free. Half and half adds less than half a gram of carbs per serving, while flavored syrups add substantial sugar. For food, an egg bites cup or a hard-boiled egg beats anything built on a bagel or croissant.
Keto Fast Food Needs a Stricter Carb Limit Than Low Carb
Low carb generally means staying under 100 to 130 grams of carbs per day, while a ketogenic diet targets 20 to 50 grams total. That difference changes which fast food orders actually fit.
A Chipotle bowl at 18 grams of carbs might use most of your daily keto allowance in one meal, even though it is a reasonable low carb choice. On keto, fat needs to make up a larger share of the plate, so guacamole, cheese, and mayo based sauces matter more than they do on a general low carb plan.
If you are following keto fast food strictly, prioritize meals under 10 grams of net carbs, such as a bunless bacon cheeseburger, plain grilled chicken, or eggs and sausage without hash browns or toast.
Hidden Carb Traps in Fast Food that Looks Healthy
Grilled chicken salads are a common trap. The chicken is often fine, but candied nuts, dried cranberries, and crispy tortilla strips can add 15 to 25 grams of carbs. Ask for these left off.
Bottled smoothies and fruit cups are another quiet source of sugar, often exceeding 40 grams per serving. Vegetable soups and chili can also carry more carbs than expected once corn, beans, or thickened broth are factored in.
Grilled does not always mean unsweetened, either. Some chains marinate grilled chicken in a mixture that includes sugar, so a plain sandwich can still carry 5 to 10 grams of carbs before any topping.
Low Carb Fast Food Breakfast Options
Breakfast is often the hardest meal to keep low carb, since most fast food breakfasts are built around a biscuit, muffin, or hash brown. The reliable options are eggs, bacon, sausage, and cheese, ordered without the bread component.
An Egg Mc-Muffin without the muffin, a Sausage, Egg and Cheese Biscuit without the biscuit, or a Starbucks egg bites cup are all workable choices that stay under 5 grams of carbs. Skip hash browns and any breakfast sandwich you cannot easily deconstruct.
What To Skip Entirely On a Low Carb Order
A few items are not worth trying to modify. Fries, onion rings, and hash browns cannot be made low carb through substitution. Milkshakes, sodas, and sweetened iced teas are pure sugar with no low carb version. Breaded chicken keeps its carbs even without the bun, since the coating itself is the problem.
Rice bowls and burritos will also default to their full carb count unless you specifically ask for the rice, beans, or tortilla left out.
Can You Eat Fries On a Low Carb or Keto Diet?
Regular fries are not compatible with either approach, since a small serving alone can run 30 to 40 grams of carbs. A few chains now offer cauliflower rice or roasted vegetables as an alternative, though availability varies by location.
Fast food and a low carb lifestyle are not mutually exclusive once you know the swaps. Removing the bread, dropping the starchy sides, and reading the sauce list carefully will get you a meal under 20 grams of carbs at nearly any drive-thru in the country.
