Bison Burger Patties with Grilled Portobello “Buns”

This paleo bison portobello burger transforms the classic burger experience into a healthy, low-carb masterpiece. By replacing traditional buns with perfectly grilled portobello mushrooms, you’ll create a juicy, nutrient-rich burger that’s both paleo-friendly and incredibly satisfying.

Recipe Information

• Prep Time: 20 minutes
• Cook Time: 15 minutes
• Total Time: 35 minutes
• Servings: 4
• Difficulty Level: Easy
• Cuisine: American/Paleo

Equipment Needed

• Grill or grill pan
• Large mixing bowl
• Measuring spoons
• Sharp knife
• Cutting board
• Paper towels
• Pastry brush (for oil)

Key Ingredients for Your Portobello Bison Burger

Key Ingredients for Your Portobello Bison Burger

• 8 large portobello mushrooms (about 4-5 inches in diameter)
• 3 tablespoons olive oil
• 2 cloves garlic, minced
• 1 teaspoon fresh thyme
• Sea salt and black pepper to taste

For the Bison Patties

• 1 pound ground bison meat
• 1 large egg
• 1 tablespoon fresh parsley, finely chopped
• 2 cloves garlic, minced
• 1 teaspoon onion powder
• 1 teaspoon sea salt
• ½ teaspoon black pepper
• 1 tablespoon olive oil

Paleo-Friendly Toppings and Variations

• Fresh lettuce leaves
• Sliced tomatoes
• Sliced red onion
• Avocado slices
• Paleo-friendly mustard
• Fresh herbs

Instructions

Preparing the Portobello “Buns”

1. Clean portobello mushrooms with a damp paper towel. Remove stems.
2. In a small bowl, mix olive oil, minced garlic, and thyme.
3. Brush both sides of mushrooms with the oil mixture.
4. Season with salt and pepper.

How to Grill the Perfect Paleo Bison Burger

1. In a large bowl, combine ground bison, egg, parsley, garlic, onion powder, salt, and pepper.
2. Mix gently with hands until just combined (don’t overmix).
3. Form into 4 equal-sized patties, making a slight depression in the center of each.
4. Let rest at room temperature for 10 minutes.

Cooking Instructions

1. Preheat grill or grill pan to medium-high heat (approximately 200°C/400°F).
2. Place mushrooms gill-side up and grill for 4-5 minutes per side.
3. Remove and set aside, keeping warm.
4. Brush patties with olive oil.
5. Grill patties for 4-5 minutes per side for medium-rare (internal temperature 63°C/145°F).
6. Let rest for 3-5 minutes before assembling.

Assembling Your Portobello Mushroom Burger

1. Place one portobello mushroom gill-side up as the bottom “bun”
2. Add lettuce leaf if using
3. Place bison patty
4. Add desired toppings
5. Top with second portobello mushroom, gill-side down

Nutrition Information (per serving)

• Calories: 385
• Protein: 28g
• Fat: 29g
• Carbohydrates: 8g
• Fiber: 3g
• Sugar: 2g
• Sodium: 720mg

Tips & Variations

• For extra flavor, marinate mushrooms for up to 30 minutes before grilling
• Pat mushrooms dry before grilling to achieve better caramelization
• Substitute bison with grass-fed beef if desired
• For a leaner option, use ground turkey

Suggested Pairings

• Grilled asparagus
• Mixed green salad
• Roasted sweet potato wedges
• Paleo-friendly coleslaw