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What is a protein style hamburger? A Comprehensive Guide

4 min read

First popularized by In-N-Out Burger in the 1970s, a protein style hamburger is a bunless burger wrapped in large, crisp lettuce leaves instead of traditional bread. This low-carb, gluten-free alternative has become a secret menu staple for diners seeking to reduce their carbohydrate intake. The 'protein style' name refers to the fact that the dish emphasizes the protein-rich components of the burger while minimizing carbohydrates.

Quick Summary

A protein style hamburger replaces the traditional bread bun with a lettuce wrap, offering a low-carb and gluten-free alternative to the classic dish. The modification originated at In-N-Out Burger, appealing to those on keto or high-protein diets and providing a fresh, crunchy texture.

Key Points

  • Lettuce wrap: A protein style hamburger replaces the traditional bread bun with large, fresh lettuce leaves.

  • Low-carb and gluten-free: The main benefit is a significant reduction in carbohydrates, making it ideal for keto and gluten-free diets.

  • In-N-Out origin: This style was popularized as a 'secret menu' item at In-N-Out Burger in the 1970s.

  • Nutritional benefits: Choosing a protein style burger can result in a lower calorie count and higher nutrient density from the added vegetables.

  • Flavor emphasis: Without the bun, the flavors of the meat, cheese, and toppings are more pronounced.

  • Easy to make at home: It's a simple, customizable meal to prepare, requiring only the substitution of the bun with sturdy lettuce.

In This Article

Origins and Popularity of the Protein Style Hamburger

The protein style hamburger is most famously associated with the West Coast fast-food chain In-N-Out Burger, where it has been a well-known 'secret menu' item since the 1970s. The concept is simple: instead of a standard white bread bun, the beef patty and toppings are enclosed in large, fresh, and crisp lettuce leaves, typically iceberg. This innovation initially catered to customers looking for a lighter or low-carb meal option, a trend that has only grown in popularity over the decades with the rise of diets like keto and Whole30. While In-N-Out popularized the term, the practice of using lettuce as a bun substitute has since been adopted by countless diners and home cooks across the country, turning a regional secret into a widely recognized dietary hack.

How is a protein style burger made?

Making a protein style burger is a straightforward process that substitutes one ingredient for another. Here's a breakdown of the key steps:

  • Select the right lettuce: The key is to choose large, sturdy, and fresh lettuce leaves that can hold the burger's contents without falling apart. Iceberg lettuce is a common choice for its crisp texture and robust structure, but large romaine leaves or butter lettuce can also work well.
  • Prepare the burger patty: The patty is prepared just as it would be for a regular burger. A popular method, known as 'mustard fried' at In-N-Out, involves grilling the patty with a squirt of mustard for extra flavor.
  • Gather the toppings: All the classic burger toppings, such as cheese, tomato slices, onions, and pickles, are added inside the lettuce wrap.
  • Apply the sauce: A special sauce or spread is often included. At In-N-Out, this creamy, tangy sauce is a signature element.
  • Assemble the burger: The prepared ingredients are stacked and wrapped snugly inside the lettuce leaves. For easier handling, some people use multiple leaves to create a more secure wrap.

The Nutritional Benefits

Opting for a protein style hamburger can offer several nutritional advantages, particularly for those monitoring their carbohydrate intake. The most significant benefit comes from eliminating the bun, which substantially reduces the meal's carb and calorie count. For example, a single patty In-N-Out burger served protein style contains roughly 240 calories and 11 grams of carbohydrates, a notable reduction from its bun-based counterpart.

Lower Carbohydrate Intake: The primary reason for choosing protein style is to cut carbs, which is essential for ketogenic and low-carb diets. Gluten-Free Option: By forgoing the bun, the burger becomes a safe and delicious option for individuals with gluten sensitivities or celiac disease. Increased Nutrient Density: The lettuce wrap adds fiber, water, and essential vitamins and minerals to the meal, such as vitamin K, vitamin A, and potassium, which are not present in a bread bun. Better Blood Sugar Management: For individuals with diabetes or prediabetes, a bunless burger helps manage blood sugar levels by reducing the intake of simple carbohydrates. Support for Weight Management: With its lower calorie and carb content, a protein style burger can be a satisfying meal choice that helps with weight management goals.

Comparison: Protein Style vs. Traditional Hamburger

Feature Protein Style Hamburger Traditional Hamburger
Carbohydrates Significantly lower, nearly zero carbs from the 'bun' High, with buns typically containing 25-40g of carbs
Gluten Gluten-free, as it uses lettuce instead of a wheat-based bun Contains gluten from the standard bread bun
Calories Lower calorie count due to the absence of the bun Higher calorie count due to the carb-heavy bun
Texture Fresh, crisp, and crunchy texture from the lettuce Soft, doughy, and absorbent texture from the bun
Flavor A cleaner, more focused flavor that highlights the meat and toppings A more complete, classic flavor profile, with the bun adding a slightly sweet or savory note
Handling Can be messier and more difficult to hold due to the lettuce wrap Easier to handle and less messy to eat with a sturdy bun

Conclusion: Is protein style for you?

The protein style hamburger is more than just a passing food trend; it's a popular and practical adaptation for a variety of dietary needs and preferences. Whether you are following a specific low-carb regimen like the ketogenic diet, have a gluten intolerance, or simply want a lighter meal, the lettuce-wrapped burger offers a delicious solution. Its origins at In-N-Out Burger made it a well-known 'secret', but its benefits have made it a mainstream choice for health-conscious diners. The primary trade-off is the texture difference and potential for messier eating, but for many, the nutritional advantages and fresh taste are well worth it. By replacing the high-carb bun with a crisp lettuce wrap, the protein style hamburger truly lets the flavorful meat and fresh toppings take center stage.

Frequently Asked Questions

The primary difference is the bun. A protein style burger uses a large lettuce wrap in place of a traditional bread bun, significantly reducing its carbohydrate and calorie content.

Not necessarily. While the name suggests more protein, it actually refers to the fact that the meal is now higher in percentage of protein relative to carbs. The amount of protein comes from the patty, which is the same as a regular burger.

Yes, a protein style burger is a very popular option for those on a ketogenic diet because it eliminates the high-carb bun while keeping the protein and fat content from the meat and cheese.

The term 'protein style' was made famous by the fast-food chain In-N-Out Burger, where it is a well-known item on their 'secret menu' that has been available since the 1970s.

For some, it can be. The lettuce wrap is less sturdy than a bun, which can lead to toppings and sauce leaking out. Using multiple lettuce leaves or eating with a fork can help.

Yes, almost any burger can be adapted to be protein style. The concept simply involves replacing the bread with lettuce, and restaurants or home cooks can apply this to any burger recipe.

Iceberg lettuce is often preferred because its large, crisp leaves are sturdy enough to hold the burger together. Other sturdy options like large romaine or butter lettuce can also be used.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.