Overview
The Story Behind the Flavor
This low carb burger was born from a desire to create something extraordinary for health-conscious food enthusiasts. The combination of premium grass-fed beef, fresh Mediterranean herbs, and umami-rich portobello mushroom “buns” creates a burger that’s not just low in carbohydrates but exploding with flavor. Whether you’re following a ketogenic diet or simply looking to reduce your carb intake, this low carb burger proves that healthy eating can be incredibly delicious.
A Symphony of Fresh Ingredients
The heart of this low carb burger lies in its carefully selected ingredients. From the sun-dried tomatoes that add a burst of concentrated flavor to the creamy feta cheese that brings a tangy Mediterranean flair, each component has been chosen to create a harmonious blend of textures and tastes. The portobello mushrooms are not just a low carb alternative to traditional buns – they add an earthy depth that complements the seasoned beef perfectly.
Perfect for Any Occasion
While this low carb burger makes an impressive addition to any dinner table, it’s versatile enough for various occasions. Serve low carb burger at your next summer barbecue to wow health-conscious guests, prepare it for a romantic dinner at home, or make it for a nutritious weekend lunch. the Mediterranean low carb burger is sophisticated enough for special occasions yet simple enough for everyday meals.

Recipe Card

Mediterranean Low Carb Burger
Equipment
- Cast-iron skillet or grill pan
- Meat thermometer
- Sharp knife
- Large mixing bowl
- Pastry brush (for olive oil)
Ingredients
For the Mushroom Buns:
- 8 large portobello mushrooms (4-5 inches in diameter)
- 3 tablespoons extra virgin olive oil
- 2 cloves garlic, minced
- 1 teaspoon dried oregano
- Sea salt and black pepper to taste
For the Burger Patties:
- 1.5 pounds grass-fed ground beef (80/20 lean-to-fat ratio)
- 2 tablespoons fresh rosemary, finely chopped
- 3 cloves garlic, minced
- 1 tablespoon Worcestershire sauce
- 1 teaspoon sea salt
- 1/2 teaspoon black pepper
Mediterranean Toppings:
- 1 cup crumbled feta cheese
- 1/2 cup sun-dried tomatoes, chopped
- 2 cups fresh arugula
- 1/2 cup kalamata olives, pitted and sliced
- 1 small red onion, thinly sliced
- Greek yogurt sauce
Instructions
1. Prepare the Mushrooms:
- Clean portobello mushrooms gently with a damp paper towel.
- Remove stems and gently scrape out gills.
- Mix olive oil with minced garlic and oregano.
- Brush mushrooms on both sides with the seasoned oil.
- Season with salt and pepper.
2. Make the Patties:
- In a large bowl, combine ground beef, rosemary, garlic, Worcestershire sauce, salt, and pepper.
- Mix gently with hands until just combined (don’t overmix).
- Form into 4 equal patties, making a slight dimple in the center.
- Let rest at room temperature for 15 minutes.
3. Cooking Process:
- Preheat grill or cast-iron skillet to medium-high heat.
- Grill mushrooms for 3-4 minutes per side until tender.
- Cook burger patties for 4-5 minutes per side for medium-rare (internal temperature 135°F).
- Top with feta cheese during the last minute of cooking.
4. Assembly:
- Place a grilled mushroom cap gill-side up.
- Add a handful of arugula.
- Place the cheese-topped burger patty.
- Top with sun-dried tomatoes, olives, and red onion.
- Add a dollop of Greek yogurt sauce.
- Crown with the second mushroom cap.

Making Ahead & Storage
- Prepare patties up to 24 hours in advance, keep refrigerated.
- Store cooked burgers without toppings for up to 3 days.
- Do not store assembled burgers – components should be stored separately.
- Mushrooms can be pre-grilled and reheated gently.
Expert Tips
- Pat mushrooms dry thoroughly before grilling to achieve better caramelization.
- Let meat come to room temperature before cooking.
- Don’t press down on burgers while cooking to retain juices.
- Rest burgers for 5 minutes before assembling.
Presentation Ideas
- Serve on a wooden board with fresh herbs scattered around.
- Garnish with micro greens for an elegant touch.
- Add colorful cherry tomatoes on the side.
- Present with a side of [Mediterranean cauliflower rice].
Nutritional Insights Per serving
This low carb burger is a powerhouse of nutrients while keeping carbohydrates to a minimum. The portobello mushrooms provide essential vitamins and minerals, while the grass-fed beef offers high-quality protein and healthy fats.
FAQ Section
Q: Can I make this vegetarian?
A: Yes! Replace the beef patty with a grilled halloumi cheese slice or a cauliflower steak.
Q: How can I prevent the mushrooms from getting soggy?
A: Don’t wash mushrooms under running water; clean with a damp paper towel and grill until moisture has evaporated.
Q: Is this recipe truly keto-friendly?
A: Yes, with only 8 g of carbohydrates per serving, this low carb burger fits perfectly into a ketogenic diet.
Q: Can I freeze the uncooked patties?
A: Yes, separate patties with parchment paper and freeze for up to 3 months.
Q: What’s the best way to reheat leftover mushrooms?
A: Reheat in a dry skillet over medium heat for 2-3 minutes per side.
Elevate your meal by pairing the Mediterranean Low Carb Burger with Asian Spiced Purple Sweet Potato Croquettes, Homemade Greek Yogurt Sauce!
If you have any questions, thoughts, or suggestions about the Mediterranean low carb burger recipe, please feel free to share them in the comments section below. Don’t hesitate to join the conversation – we can’t wait to hear from you!
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