Name: Portobello Mushroom Sandwich
Prep time: 5 min
Cook time: 15 min
Total time: 20 min
Yield: 2
Ingredients: 2 large portobello mushrooms (wiped clean); 1 tbsp olive oil; 1/2 tbsp balsamic vinegar; 1/4 tsp sea salt; 1/4 tsp cracked black pepper; 3 tbsp mayonnaise; 1/2 tbsp vegetarian green pesto; 2 ciabatta rolls; 6 cherry tomatoes (sliced); a small handful of basil leaves; 1/4 cup feta cheese (25g)