Grilled Vegetable Salad with Feta and Tabbouleh

Name: Grilled Vegetable Salad with Feta and Tabbouleh
Ingredients: 150 g feta; 1 red onion, (sliced into wedges); 1 large eggplant, (cut into 2cm cubes); 2 zucchinis, (cut into 2cm slices); 3 medium potatoes, (cut into small wedges); 1 punnet cherry tomatoes; 50 g pistachio kernels; 2 tablespoons honey; Extra virgin olive oil; Caramelised balsamic vinegar; Flatbreads to serve, (optional); 1/2 cup raw cous cous; 1 bunch mint, (leaves picked, finely chopped); 1 bunch parsley, (leaves picked, finely chopped); 1/2 cucumber, (finely chopped); Juice of 1 lemon