Herby Halloumi and Couscous Salad

• 2 cup raw pearl couscous
• 150 g halloumi, sliced 0.5cm thick (¼ inch)
• 1 lebanese cucumber, roughly chopped
• 200 g cherry tomatoes, roughly chopped
• 0.5 cup fresh parsley leaves, roughly chopped
• 0.5 cup fresh basil leaves, roughly chopped
• 0.2 red onion, finely sliced
• 0.25 cup extra virgin olive oil
• 0.25 cup lemon juice
• 2 garlic cloves, crushed