Portobello Mushroom Burger | Australian Mushrooms

Ingredients

• 1 large Portobello Australian Mushroom
• 1 gluten-free burger bun
• 2 tbsp olive oil
• Pinch of salt and pepper
• 1 head of lettuce
• 1 sliced tomato
• 2 slices of vegan cheese
• 1 tbsp vegan pesto