Barbecued mushroom burgers

This is the ultimate vegetarian burger with barbecued mushrooms and onions, fresh tomatoes and spinach and a dollop of spicy tzatziki.

Recipe «Barbecued mushroom burgers» presented in category Recipes / Vegetarian, to prepare this dish you will need no more 20 minutes. To make this dish at home by prescription from the author Gomer would need: 1 brown onion, thinly sliced, olive oil cooking spray, 8 flat mushrooms, 8 slices sourdough bread, 50g baby spinach , 2 ripe tomatoes, sliced, 1/2 cup tzatziki .

Ingredients:

• 1 brown onion, thinly sliced 
• olive oil cooking spray 
• 8 flat mushrooms 
• 8 slices sourdough bread 
• 50g baby spinach 
• 2 ripe tomatoes, sliced 
• 1/2 cup tzatziki 

Instructions

1. Preheat a barbecue or chargrill pan on medium heat. Spray onion with oil. Season with salt and pepper. Cook for 10 minutes, turning frequently, or until soft and golden. Remove to a plate. Cover to keep warm.
2. Spray mushrooms with oil. Season with salt and pepper. Increase heat to high. Cook for 2 minutes each side or until just tender.
3. Cook bread for 1 to 2 minutes each side or until golden and toasted.
4. Top 4 slices of bread with spinach, tomato, mushrooms, onions and a dollop of tzatziki. Top with remaining slices of bread. Serve.