Portobello Mushroom Avocado Burger

The Portobello Mushroom Avocado Burger is a flavorful, plant-based alternative to the classic burger. Grilled Portobello mushroom caps serve as the hearty, meaty centerpiece, layered with creamy avocado, fresh greens, and tomatoes on a whole-grain bun. Juicy, satisfying, and packed with umami flavor, this burger offers a delicious balance of fiber, healthy fats, and nutrients — perfect for a wholesome lunch or dinner.

Ingredients

• 2 Tsp Olive Oil (Divided)
• 1 Avocado, Sliced Or Mashed
• ½ Tsp Garlic Powder/1 Clove Garlic
• 1 Small Tomato, Sliced
• 2 Whole-Grain Burger Buns Or Sandwich Thins & Lettuce Or Arugula, Handful
• 2 Large Portobello Mushroom Caps (Stems Removed, Gills Scraped If Desired)
• Optional: 2 Tsp Balsamic Vinegar (Optional, For Marinating) & Red Onion Rings

Directions

1. Marinate (Optional) & Cook Mushrooms: Place Portobello Caps In A Dish. Drizzle With 1 Tsp Olive Oil & Optional Balsamic Vinegar. Season With Garlic Powder, Salt, & Pepper. Marinate 5–10 Mins. Heat Remaining 1 Tsp Oil In A Skillet Or Grill Pan Over Medium-High. Cook Mushrooms 3–4 Mins Per Side Until Tender & Slightly Charred. Grill Or Broil If Preferred. Toast Buns If Desired.
2. Assemble Burgers: Spread Mashed Or Sliced Avocado On Bottom Bun. Add Cooked Mushroom, Tomato, Red Onion (Optional), And Lettuce Or Arugula. Top With More Avocado Instead Of Mayo. Close With Top Bun
3. Serve & Customize: Enjoy Immediately. Add Low-Fat Cheese Or Hummus For Extra Protein.