Chicken Shawarma Bowl

• 500 g chicken thigh fillets
• 1 tbsp extra virgin olive oil
• 1 tbsp smoked paprika
• 1 tbsp garlic powder
• 1 tsp cumin
• 0.5 cup Greek yoghurt
• 2 lemon, juiced
• 2 cup raw pearl couscous, cooked
• 1 red onion, thinly sliced
• 250 g tomatoes, diced
• 2 cucumber, diced
• 1 bunch parsley, finely chopped
• 2 tbsp pickle juice