
Eating at In-N-Out while following a keto diet is entirely possible with a few smart modifications. By opting for a Protein Style burger, which replaces the bun with large lettuce leaves, you can significantly reduce carb intake while still enjoying the iconic flavors. Skip the fries and sugary drinks, and instead, pair your meal with a side of extra vegetables or a diet beverage. Additionally, customize your order by skipping high-carb toppings like ketchup and opting for sugar-free sauces like mustard. With these adjustments, you can indulge in a keto-friendly In-N-Out meal without derailing your dietary goals.
| Characteristics | Values |
|---|---|
| Order Style | Protein Style (lettuce wrap instead of bun) |
| Protein Options | Hamburger, Cheeseburger, Double-Double, 3x3, 4x4 (no bun) |
| Cheese Options | American Cheese (low-carb, 1g net carbs per slice) |
| Toppings | Whole grilled onions, mustard, ketchup (in moderation), pickle |
| Sauces to Avoid | Spread (contains sugar), special sauce, mayonnaise (unless sugar-free) |
| Side Options | No fries; opt for a side salad with red wine vinegar or oil and vinegar |
| Drinks | Water, unsweetened iced tea, diet soda, black coffee |
| Secret Menu Hacks | Flying Dutchman (two burger patties with cheese, no bun or veggies) |
| Net Carbs per Meal | ~2-5g (depending on toppings and cheese) |
| Protein per Meal | 20-40g (varies by burger size) |
| Fat Content | High (from cheese and patties, ideal for keto) |
| Customization Tip | Always ask for "Protein Style" and specify no spread or sugary sauces |
| Portion Control | Stick to single patties or smaller sizes to manage calorie intake |
| Keto-Friendly Condiments | Mustard (0g carbs), small amount of ketchup (~1g carbs per teaspoon) |
| Avoid Cross-Contamination | Ensure fries are not cooked in the same oil as your burger (if possible) |
| Caloric Range | 300-600 calories (depending on burger size and toppings) |
| Meal Frequency | Occasional treat, not a daily option due to high fat and sodium content |
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What You'll Learn
- Ordering Keto-Friendly Burgers: Skip the bun, add lettuce wrap, choose protein-style, avoid sugary sauces
- Low-Carb Sides Options: Opt for mustard, pickles, or extra veggies instead of fries or high-carb sides
- Keto Drink Choices: Stick to water, unsweetened tea, or diet soda; avoid sugary beverages
- Customizing Protein Style: Request protein-style burgers to eliminate bun and reduce carb intake
- Avoiding Hidden Carbs: Skip special sauce, ketchup, and sugary condiments; stick to low-carb toppings

Ordering Keto-Friendly Burgers: Skip the bun, add lettuce wrap, choose protein-style, avoid sugary sauces
When ordering keto-friendly burgers at In-N-Out, the first step is to skip the bun. The bun is high in carbohydrates and can easily kick you out of ketosis. By removing it, you eliminate a significant source of unnecessary carbs while still enjoying the core components of the burger. This simple adjustment allows you to focus on the protein and fats, which are essential for a keto diet. Most In-N-Out locations are familiar with this request, so don't hesitate to ask for your burger without the bun.
Next, add a lettuce wrap to hold your burger together. In-N-Out offers large lettuce leaves, typically iceberg, which serve as a low-carb alternative to the bun. The lettuce wrap not only keeps your burger intact but also adds a refreshing crunch. It’s a practical and keto-friendly solution that ensures you can eat your burger without utensils. Be sure to specify that you want a lettuce wrap instead of the bun to avoid any confusion.
Another keto-friendly option is to choose protein-style, which is In-N-Out’s signature way of serving a burger wrapped in lettuce. When you order protein-style, the burger is automatically served without the bun and wrapped in lettuce, making it a convenient choice for keto dieters. This option also includes melted cheese, which adds healthy fats to your meal. Protein-style burgers are a popular choice among low-carb and keto eaters, so the staff is well-acquainted with preparing them.
Lastly, avoid sugary sauces that can derail your keto efforts. In-N-Out’s spreads, like their signature spread (a Thousand Island-style dressing), are often high in sugar and should be skipped. Instead, opt for keto-friendly toppings like mustard, which is low in carbs and adds flavor without the sugar. You can also ask for extra pickles, sliced onions, or raw onions to enhance the taste without adding carbs. Customizing your burger with the right toppings ensures it remains keto-compliant while still being delicious.
By following these steps—skipping the bun, adding a lettuce wrap, choosing protein-style, and avoiding sugary sauces—you can enjoy a satisfying keto-friendly burger at In-N-Out. These simple modifications allow you to indulge in a fast-food favorite while staying true to your dietary goals. Remember, In-N-Out is known for its customization options, so don’t be afraid to tailor your order to fit your keto needs.
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Low-Carb Sides Options: Opt for mustard, pickles, or extra veggies instead of fries or high-carb sides
When dining at In-N-Out while following a keto diet, it’s crucial to focus on low-carb side options to stay within your macronutrient goals. Instead of ordering fries or other high-carb sides, which can quickly derail your keto progress, opt for mustard, pickles, or extra veggies. Mustard is an excellent choice because it’s virtually carb-free and adds a tangy flavor to your meal. Most In-N-Out locations offer yellow mustard, which pairs well with burgers and doesn’t contain added sugars or unhealthy additives. Always check the label or ask staff to ensure there are no hidden carbs, but generally, mustard is a safe and flavorful keto-friendly option.
Pickles are another fantastic low-carb side to consider. They are made from cucumbers, which are naturally low in carbs, and the pickling process adds minimal additional carbohydrates. However, be mindful of the portion size, as some pickles can contain small amounts of sugar in the brine. In-N-Out’s whole dill pickles are a great choice, and you can ask for extra pickles to add crunch and flavor to your meal without the carb overload. Pickles also provide a refreshing contrast to the richness of a burger, making them a popular keto-friendly side.
If you’re looking for something more substantial, extra veggies are a smart alternative to fries. In-N-Out allows you to customize your order, so you can request additional lettuce, tomato, onion, or grilled mushrooms. For example, ordering a side of lettuce or a side salad (without croutons or high-carb dressings) can provide fiber and nutrients without the carbs. Just be cautious with toppings like onions, as they contain a few more carbs, and avoid sugary sauces or dressings that might accompany certain veggie options.
Another creative way to enjoy low-carb sides at In-N-Out is to combine mustard and pickles for a flavorful, crunchy accompaniment to your burger. You can also wrap your burger in lettuce instead of a bun (a popular “Protein Style” option) and pair it with these sides for a fully keto-friendly meal. By skipping the fries and opting for mustard, pickles, or extra veggies, you’ll keep your carb count low while still enjoying a satisfying dining experience. Always remember to ask for customizations to ensure your meal aligns with your keto goals.
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Keto Drink Choices: Stick to water, unsweetened tea, or diet soda; avoid sugary beverages
When dining at In-N-Out on a keto diet, your drink choice is just as important as your food selection. The key principle is to avoid sugary beverages, as they can quickly knock you out of ketosis due to their high carbohydrate content. Sugary sodas, sweetened teas, and milkshakes are obvious no-gos, as they are loaded with sugar and carbs. Instead, stick to water, which is the most keto-friendly option. Water not only keeps you hydrated but also helps with digestion and ensures you stay within your carb limits. It’s calorie-free, carb-free, and always the best choice for maintaining ketosis.
If you’re looking for a bit more flavor, unsweetened tea is another excellent option. Whether it’s iced or hot, unsweetened tea provides a refreshing alternative to water without adding carbs. Just be sure to skip any added sugar, honey, or sweeteners, as these will negate its keto-friendly status. You can add a slice of lemon or lime for a hint of flavor without compromising your diet. Herbal teas are also a great choice, as long as they are unsweetened and free from added ingredients that might contain hidden carbs.
For those who crave the fizziness of soda, diet soda is a viable keto-friendly alternative. Options like Diet Coke, Diet Dr Pepper, or Sprite Zero contain zero carbs and can satisfy your soda cravings without derailing your diet. However, be mindful of artificial sweeteners, as some people may experience sensitivities or find they impact their ketosis. If you’re unsure, stick to water or unsweetened tea to play it safe. Always check the label to ensure the drink is truly sugar-free and carb-free.
It’s crucial to avoid sugary beverages like regular sodas, sweetened iced teas, and milkshakes, as they are loaded with carbs and sugar. Even drinks that seem innocent, like lemonade or fruit-flavored beverages, can contain upwards of 30-40 grams of carbs per serving, which can easily exceed your daily carb limit. Milkshakes, a popular In-N-Out offering, are particularly problematic due to their high sugar and carb content from milk and added syrups. Stick to your keto drink choices to ensure you stay on track.
In summary, when ordering drinks at In-N-Out on keto, stick to water, unsweetened tea, or diet soda, and avoid sugary beverages at all costs. These choices will help you maintain ketosis while still enjoying your meal. Remember, staying hydrated and mindful of your drink selection is just as important as choosing the right burger or side. By making smart drink choices, you can fully enjoy your In-N-Out experience without compromising your keto goals.
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Customizing Protein Style: Request protein-style burgers to eliminate bun and reduce carb intake
When following a keto diet, one of the biggest challenges when eating out is managing carbohydrate intake, especially at fast-food chains like In-N-Out. Fortunately, In-N-Out offers a customizable option known as the "Protein Style" burger, which is a game-changer for keto dieters. By requesting your burger Protein Style, you eliminate the bun entirely, significantly reducing carb intake while still enjoying a satisfying meal. This simple customization allows you to focus on the high-quality protein and fats that align with keto principles.
To order a Protein Style burger at In-N-Out, simply ask for your preferred burger (e.g., Hamburger, Cheeseburger, Double-Double) "Protein Style." Instead of the traditional bun, the burger will be wrapped in large lettuce leaves, typically iceberg lettuce, which acts as a low-carb alternative. This not only cuts out the carbs from the bun but also adds a refreshing crunch to your meal. Be sure to specify if you want any additional toppings, such as cheese, sauces, or vegetables, as these can further enhance the flavor while keeping the dish keto-friendly.
When customizing your Protein Style burger, pay close attention to the sauces and condiments. In-N-Out’s spreads, like Spread (a Thousand Island-like sauce) and special sauce, are flavorful but can contain added sugars. Opt for mustard, which is typically sugar-free, or ask for the sauce on the side to control the amount you use. Additionally, consider adding extra cheese, avocado, or grilled onions for healthy fats and flavor without the carbs. These small adjustments ensure your meal remains aligned with keto macros.
Another tip for maximizing your Protein Style experience is to double up on the lettuce wrap. Sometimes, the lettuce can be a bit delicate, especially if your burger is loaded with toppings. Requesting extra lettuce leaves ensures your burger stays intact and easy to handle. You can also ask for a side of mustard or hot sauce to dip your burger in, adding an extra kick without compromising your carb count. This attention to detail makes your meal both convenient and enjoyable.
Finally, don’t forget to pair your Protein Style burger with keto-friendly sides. In-N-Out offers options like a side salad with red wine vinegar or oil and vinegar dressing, both of which are low in carbs. You can also order a side of animal style cheese, which is melted cheese with grilled onions, for an indulgent, keto-approved addition. By customizing your Protein Style burger and choosing smart sides, you can enjoy a delicious In-N-Out meal while staying firmly within your keto goals.
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Avoiding Hidden Carbs: Skip special sauce, ketchup, and sugary condiments; stick to low-carb toppings
When dining at In-N-Out while following a keto diet, one of the most critical steps is avoiding hidden carbs that can easily derail your macros. Many of In-N-Out’s signature sauces and condiments are loaded with sugar and carbohydrates, making them incompatible with a low-carb lifestyle. The special sauce, for example, is a creamy, tangy favorite, but it contains added sugars and unhealthy oils that can spike your carb count. Similarly, ketchup, though seemingly innocent, is packed with sugar, with just one tablespoon often containing 4-5 grams of carbs. These seemingly small additions can quickly add up, pushing you out of ketosis. To stay on track, it’s best to skip these entirely or ask for them to be left off your order.
Another common culprit for hidden carbs is sugary condiments like sweet relish, barbecue sauce, or even certain types of mustard. These condiments often contain added sugars or high-fructose corn syrup, which can easily sneak into your meal without you realizing it. Instead, opt for low-carb toppings that enhance flavor without compromising your keto goals. For instance, mustard (without added sugar) is a great alternative, as it typically contains zero carbs. You can also ask for extra pickles, as they are low in carbs and add a tangy crunch to your burger. Always double-check the ingredients of any condiment to ensure it aligns with your keto plan.
When customizing your In-N-Out order, focus on low-carb toppings that add flavor and texture without the carbs. Fresh vegetables like lettuce, onions, and tomatoes are excellent choices, as they are naturally low in carbs and high in nutrients. Avocado is another fantastic option, as it’s rich in healthy fats and fiber, making it a perfect keto-friendly addition. Just be mindful of portion sizes, as even low-carb toppings can contribute to your overall carb count if overused. For example, while tomatoes are low in carbs, a thick slice can still add a few grams, so consider asking for them to be sliced thinly.
It’s also important to stick to low-carb toppings that align with your keto macros. Cheese, for instance, is a great addition, as it’s low in carbs and high in fat, making it keto-friendly. However, be cautious with processed cheese or cheese sauces, as they may contain added sugars or fillers. Grilled onions are another flavorful option, but avoid caramelized onions, as they are often cooked with sugar. By being mindful of these choices, you can enjoy a satisfying In-N-Out meal without compromising your keto diet.
Finally, don’t be afraid to customize your order to fit your keto needs. In-N-Out is known for its flexibility, so you can easily modify your burger to skip the bun (opt for a “Protein Style” burger wrapped in lettuce) and avoid high-carb toppings. Politely ask the staff to leave off the special sauce, ketchup, and other sugary condiments, and instead load up on low-carb toppings like mustard, pickles, and fresh vegetables. By taking control of your order and being aware of hidden carbs, you can enjoy a delicious, keto-friendly meal at In-N-Out without any guilt.
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Frequently asked questions
Yes, you can enjoy In-N-Out burgers on keto by ordering them "Protein Style," which replaces the bun with lettuce wraps, and skipping high-carb toppings like fries, buns, and sugary sauces.
The best keto options include the Protein Style burger (no bun, wrapped in lettuce), Flying Dutchman (two burger patties with cheese, no bun), and grilled cheese (no bun) with added meat if desired.
No, In-N-Out fries are not keto-friendly as they are high in carbs. Stick to low-carb sides like a side salad with oil and vinegar dressing or extra burger patties.
Some sauces like mustard and whole grilled onions are keto-friendly, but avoid sugary options like ketchup, spreads, and special sauce. Always check the carb content if unsure.











































