Sage-Crusted Portobello Mushroom Burgers with Caramelized Onions

A savory twist on traditional burgers, these portobello mushroom patties are marinated in a mix of balsamic vinegar and olive oil, then coated in a fragrant sage crust and grilled to perfection. Paired with caramelized onions and melted cheddar cheese, this vegetarian burger is a true American classic.

🛒 Ingredients

• 4 cups Portobello mushrooms
• 1/4 cup Balsamic vinegar
• 2 tbsp Olive oil
• 1/2 cup Sage leaves
• 1 cup Cheddar cheese
• 1/2 cup Caramelized onions
• 1 tsp Salt
• 1 tsp Pepper
• 0.5 tsp Garlic powder
• 0.5 tsp Italian seasoning
• 1 tbsp Worcestershire sauce
• 1 cup Breadcrumbs
• 1 large Egg

👨‍🍳 Instructions

1. 1

   Step 1: Preheat grill to medium-high heat (400°F).

2. 2

   Step 2: In a blender, combine balsamic vinegar, olive oil, garlic powder, Italian seasoning, and Worcestershire sauce. Blend until smooth.

3. 3

   Step 3: In a large bowl, combine mushroom caps, balsamic mixture, salt, and pepper. Toss to coat.

4. 4

   Step 4: In a separate bowl, mix together sage leaves, breadcrumbs, and egg.

5. 5

   Step 5: Add the sage mixture to the mushroom mixture and toss until well combined.

6. 6

   Step 6: Form the mixture into 4 patties.

7. 7

   Step 7: Grill the patties for 4-5 minutes per side or until cooked through.

8. 8

   Step 8: Meanwhile, cook the caramelized onions in a pan with a little oil until golden brown.

9. 9

   Step 9: Assemble the burgers by placing a cooked patty on a bun, topping with caramelized onions, and melting a slice of cheddar cheese.

10. 10

    Step 10: Serve immediately.

💡 Pro Tips

To prevent the patties from breaking apart, make sure to handle them gently. Also, don't overcook the mushrooms – they should be tender but still retain some texture. For an extra crispy crust, grill the patties for an additional minute after flipping.

📊 Nutrition per Serving